Home / 2,293.25-3,439.36-649.76

Finding the Fourth Proportional to 2,293.25, 3,439.36 and 649.76

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Solution

The fourth proportional to 2,293.25, 3,439.36 and 649.76 is: 974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.25 : 3,439.36 = 649.76 : x
  2. Step 2: Convert to fraction form
    2,293.25/3,439.36 = 649.76/x
  3. Step 3: Cross multiply
    2,293.25x = 3,439.36 × 649.76
  4. Step 4: Simplify right side
    2,293.25x = 2,234,742.17
  5. Step 5: Solve for x
    x = 2,234,742.17/2,293.25
  6. Step 6: Final answer
    x = 974.49

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1.5x scale

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.