Home / 2,281.50-3,147.21-1,534.14

Finding the Fourth Proportional to 2,281.50, 3,147.21 and 1,534.14

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Solution

The fourth proportional to 2,281.50, 3,147.21 and 1,534.14 is: 2,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.50 : 3,147.21 = 1,534.14 : x
  2. Step 2: Convert to fraction form
    2,281.50/3,147.21 = 1,534.14/x
  3. Step 3: Cross multiply
    2,281.50x = 3,147.21 × 1,534.14
  4. Step 4: Simplify right side
    2,281.50x = 4,828,260.75
  5. Step 5: Solve for x
    x = 4,828,260.75/2,281.50
  6. Step 6: Final answer
    x = 2,116.27

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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.