Home / 1,490.93-2,232.27-1,124.61

Finding the Fourth Proportional to 1,490.93, 2,232.27 and 1,124.61

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Solution

The fourth proportional to 1,490.93, 2,232.27 and 1,124.61 is: 1,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.93 : 2,232.27 = 1,124.61 : x
  2. Step 2: Convert to fraction form
    1,490.93/2,232.27 = 1,124.61/x
  3. Step 3: Cross multiply
    1,490.93x = 2,232.27 × 1,124.61
  4. Step 4: Simplify right side
    1,490.93x = 2,510,433.16
  5. Step 5: Solve for x
    x = 2,510,433.16/1,490.93
  6. Step 6: Final answer
    x = 1,683.80

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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.