Home / 1,555.34-2,117.61-1,550.48

Finding the Fourth Proportional to 1,555.34, 2,117.61 and 1,550.48

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Solution

The fourth proportional to 1,555.34, 2,117.61 and 1,550.48 is: 2,110.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.34 : 2,117.61 = 1,550.48 : x
  2. Step 2: Convert to fraction form
    1,555.34/2,117.61 = 1,550.48/x
  3. Step 3: Cross multiply
    1,555.34x = 2,117.61 × 1,550.48
  4. Step 4: Simplify right side
    1,555.34x = 3,283,301.36
  5. Step 5: Solve for x
    x = 3,283,301.36/1,555.34
  6. Step 6: Final answer
    x = 2,110.99

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,556.34, 2,118.97 and 1,551.48
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.