Home / 3,132.30-4,698.45-1,670.70

Finding the Fourth Proportional to 3,132.30, 4,698.45 and 1,670.70

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Solution

The fourth proportional to 3,132.30, 4,698.45 and 1,670.70 is: 2,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.30 : 4,698.45 = 1,670.70 : x
  2. Step 2: Convert to fraction form
    3,132.30/4,698.45 = 1,670.70/x
  3. Step 3: Cross multiply
    3,132.30x = 4,698.45 × 1,670.70
  4. Step 4: Simplify right side
    3,132.30x = 7,849,700.42
  5. Step 5: Solve for x
    x = 7,849,700.42/3,132.30
  6. Step 6: Final answer
    x = 2,506.05

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Similar ratio
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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.