Home / 2,471.65-3,702.78-1,237.61

Finding the Fourth Proportional to 2,471.65, 3,702.78 and 1,237.61

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Solution

The fourth proportional to 2,471.65, 3,702.78 and 1,237.61 is: 1,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.65 : 3,702.78 = 1,237.61 : x
  2. Step 2: Convert to fraction form
    2,471.65/3,702.78 = 1,237.61/x
  3. Step 3: Cross multiply
    2,471.65x = 3,702.78 × 1,237.61
  4. Step 4: Simplify right side
    2,471.65x = 4,582,606.81
  5. Step 5: Solve for x
    x = 4,582,606.81/2,471.65
  6. Step 6: Final answer
    x = 1,854.07

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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.