Home / 1,932.23-2,666.51-1,146.13

Finding the Fourth Proportional to 1,932.23, 2,666.51 and 1,146.13

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Solution

The fourth proportional to 1,932.23, 2,666.51 and 1,146.13 is: 1,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.23 : 2,666.51 = 1,146.13 : x
  2. Step 2: Convert to fraction form
    1,932.23/2,666.51 = 1,146.13/x
  3. Step 3: Cross multiply
    1,932.23x = 2,666.51 × 1,146.13
  4. Step 4: Simplify right side
    1,932.23x = 3,056,167.11
  5. Step 5: Solve for x
    x = 3,056,167.11/1,932.23
  6. Step 6: Final answer
    x = 1,581.68

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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.