Home / 2,292.74-3,439.26-649.15

Finding the Fourth Proportional to 2,292.74, 3,439.26 and 649.15

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Solution

The fourth proportional to 2,292.74, 3,439.26 and 649.15 is: 973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.74 : 3,439.26 = 649.15 : x
  2. Step 2: Convert to fraction form
    2,292.74/3,439.26 = 649.15/x
  3. Step 3: Cross multiply
    2,292.74x = 3,439.26 × 649.15
  4. Step 4: Simplify right side
    2,292.74x = 2,232,587.03
  5. Step 5: Solve for x
    x = 2,232,587.03/2,292.74
  6. Step 6: Final answer
    x = 973.76

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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.