Home / 2,599.30-3,898.34-1,281.70

Finding the Fourth Proportional to 2,599.30, 3,898.34 and 1,281.70

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Solution

The fourth proportional to 2,599.30, 3,898.34 and 1,281.70 is: 1,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.30 : 3,898.34 = 1,281.70 : x
  2. Step 2: Convert to fraction form
    2,599.30/3,898.34 = 1,281.70/x
  3. Step 3: Cross multiply
    2,599.30x = 3,898.34 × 1,281.70
  4. Step 4: Simplify right side
    2,599.30x = 4,996,476.48
  5. Step 5: Solve for x
    x = 4,996,476.48/2,599.30
  6. Step 6: Final answer
    x = 1,922.24

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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.