Home / 1,864.13-2,572.49-1,036.13

Finding the Fourth Proportional to 1,864.13, 2,572.49 and 1,036.13

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Solution

The fourth proportional to 1,864.13, 2,572.49 and 1,036.13 is: 1,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.13 : 2,572.49 = 1,036.13 : x
  2. Step 2: Convert to fraction form
    1,864.13/2,572.49 = 1,036.13/x
  3. Step 3: Cross multiply
    1,864.13x = 2,572.49 × 1,036.13
  4. Step 4: Simplify right side
    1,864.13x = 2,665,423.79
  5. Step 5: Solve for x
    x = 2,665,423.79/1,864.13
  6. Step 6: Final answer
    x = 1,429.85

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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.