Home / 1,864.48-2,572.95-1,025.20

Finding the Fourth Proportional to 1,864.48, 2,572.95 and 1,025.20

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Solution

The fourth proportional to 1,864.48, 2,572.95 and 1,025.20 is: 1,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.48 : 2,572.95 = 1,025.20 : x
  2. Step 2: Convert to fraction form
    1,864.48/2,572.95 = 1,025.20/x
  3. Step 3: Cross multiply
    1,864.48x = 2,572.95 × 1,025.20
  4. Step 4: Simplify right side
    1,864.48x = 2,637,788.34
  5. Step 5: Solve for x
    x = 2,637,788.34/1,864.48
  6. Step 6: Final answer
    x = 1,414.76

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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.