Home / 1,490.18-2,232.02-1,056.02

Finding the Fourth Proportional to 1,490.18, 2,232.02 and 1,056.02

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Solution

The fourth proportional to 1,490.18, 2,232.02 and 1,056.02 is: 1,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.18 : 2,232.02 = 1,056.02 : x
  2. Step 2: Convert to fraction form
    1,490.18/2,232.02 = 1,056.02/x
  3. Step 3: Cross multiply
    1,490.18x = 2,232.02 × 1,056.02
  4. Step 4: Simplify right side
    1,490.18x = 2,357,057.76
  5. Step 5: Solve for x
    x = 2,357,057.76/1,490.18
  6. Step 6: Final answer
    x = 1,581.73

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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.