Home / 1,470.18-2,205.29-374.52

Finding the Fourth Proportional to 1,470.18, 2,205.29 and 374.52

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Solution

The fourth proportional to 1,470.18, 2,205.29 and 374.52 is: 561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.18 : 2,205.29 = 374.52 : x
  2. Step 2: Convert to fraction form
    1,470.18/2,205.29 = 374.52/x
  3. Step 3: Cross multiply
    1,470.18x = 2,205.29 × 374.52
  4. Step 4: Simplify right side
    1,470.18x = 825,925.21
  5. Step 5: Solve for x
    x = 825,925.21/1,470.18
  6. Step 6: Final answer
    x = 561.79

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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.