Home / 1,677.36-2,315.70-1,014.42

Finding the Fourth Proportional to 1,677.36, 2,315.70 and 1,014.42

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Solution

The fourth proportional to 1,677.36, 2,315.70 and 1,014.42 is: 1,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.36 : 2,315.70 = 1,014.42 : x
  2. Step 2: Convert to fraction form
    1,677.36/2,315.70 = 1,014.42/x
  3. Step 3: Cross multiply
    1,677.36x = 2,315.70 × 1,014.42
  4. Step 4: Simplify right side
    1,677.36x = 2,349,092.39
  5. Step 5: Solve for x
    x = 2,349,092.39/1,677.36
  6. Step 6: Final answer
    x = 1,400.47

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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.