Home / 1,657.16-2,481.81-1,439.57

Finding the Fourth Proportional to 1,657.16, 2,481.81 and 1,439.57

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Solution

The fourth proportional to 1,657.16, 2,481.81 and 1,439.57 is: 2,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.16 : 2,481.81 = 1,439.57 : x
  2. Step 2: Convert to fraction form
    1,657.16/2,481.81 = 1,439.57/x
  3. Step 3: Cross multiply
    1,657.16x = 2,481.81 × 1,439.57
  4. Step 4: Simplify right side
    1,657.16x = 3,572,726.81
  5. Step 5: Solve for x
    x = 3,572,726.81/1,657.16
  6. Step 6: Final answer
    x = 2,155.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.