Home / 3,507.60-5,261.43-1,658.76

Finding the Fourth Proportional to 3,507.60, 5,261.43 and 1,658.76

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Solution

The fourth proportional to 3,507.60, 5,261.43 and 1,658.76 is: 2,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.60 : 5,261.43 = 1,658.76 : x
  2. Step 2: Convert to fraction form
    3,507.60/5,261.43 = 1,658.76/x
  3. Step 3: Cross multiply
    3,507.60x = 5,261.43 × 1,658.76
  4. Step 4: Simplify right side
    3,507.60x = 8,727,449.63
  5. Step 5: Solve for x
    x = 8,727,449.63/3,507.60
  6. Step 6: Final answer
    x = 2,488.15

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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.