Home / 1,814.20-2,502.18-1,562.53

Finding the Fourth Proportional to 1,814.20, 2,502.18 and 1,562.53

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Solution

The fourth proportional to 1,814.20, 2,502.18 and 1,562.53 is: 2,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.20 : 2,502.18 = 1,562.53 : x
  2. Step 2: Convert to fraction form
    1,814.20/2,502.18 = 1,562.53/x
  3. Step 3: Cross multiply
    1,814.20x = 2,502.18 × 1,562.53
  4. Step 4: Simplify right side
    1,814.20x = 3,909,731.32
  5. Step 5: Solve for x
    x = 3,909,731.32/1,814.20
  6. Step 6: Final answer
    x = 2,155.07

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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.