Home / 1,677.91-2,316.17-1,259.48

Finding the Fourth Proportional to 1,677.91, 2,316.17 and 1,259.48

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Solution

The fourth proportional to 1,677.91, 2,316.17 and 1,259.48 is: 1,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.91 : 2,316.17 = 1,259.48 : x
  2. Step 2: Convert to fraction form
    1,677.91/2,316.17 = 1,259.48/x
  3. Step 3: Cross multiply
    1,677.91x = 2,316.17 × 1,259.48
  4. Step 4: Simplify right side
    1,677.91x = 2,917,151.91
  5. Step 5: Solve for x
    x = 2,917,151.91/1,677.91
  6. Step 6: Final answer
    x = 1,738.56

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,678.91, 2,317.55 and 1,260.48
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.