Home / 3,287.10-4,927.05-1,437.90

Finding the Fourth Proportional to 3,287.10, 4,927.05 and 1,437.90

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Solution

The fourth proportional to 3,287.10, 4,927.05 and 1,437.90 is: 2,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.10 : 4,927.05 = 1,437.90 : x
  2. Step 2: Convert to fraction form
    3,287.10/4,927.05 = 1,437.90/x
  3. Step 3: Cross multiply
    3,287.10x = 4,927.05 × 1,437.90
  4. Step 4: Simplify right side
    3,287.10x = 7,084,605.20
  5. Step 5: Solve for x
    x = 7,084,605.20/3,287.10
  6. Step 6: Final answer
    x = 2,155.28

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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.