Home / 1,864.42-2,572.91-1,025.19

Finding the Fourth Proportional to 1,864.42, 2,572.91 and 1,025.19

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Solution

The fourth proportional to 1,864.42, 2,572.91 and 1,025.19 is: 1,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.42 : 2,572.91 = 1,025.19 : x
  2. Step 2: Convert to fraction form
    1,864.42/2,572.91 = 1,025.19/x
  3. Step 3: Cross multiply
    1,864.42x = 2,572.91 × 1,025.19
  4. Step 4: Simplify right side
    1,864.42x = 2,637,721.60
  5. Step 5: Solve for x
    x = 2,637,721.60/1,864.42
  6. Step 6: Final answer
    x = 1,414.77

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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.