Home / 1,864.33-2,572.78-1,025.05

Finding the Fourth Proportional to 1,864.33, 2,572.78 and 1,025.05

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Solution

The fourth proportional to 1,864.33, 2,572.78 and 1,025.05 is: 1,414.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.33 : 2,572.78 = 1,025.05 : x
  2. Step 2: Convert to fraction form
    1,864.33/2,572.78 = 1,025.05/x
  3. Step 3: Cross multiply
    1,864.33x = 2,572.78 × 1,025.05
  4. Step 4: Simplify right side
    1,864.33x = 2,637,228.14
  5. Step 5: Solve for x
    x = 2,637,228.14/1,864.33
  6. Step 6: Final answer
    x = 1,414.57

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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.