Home / 3,527.65-4,861.47-2,531.20

Finding the Fourth Proportional to 3,527.65, 4,861.47 and 2,531.20

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Solution

The fourth proportional to 3,527.65, 4,861.47 and 2,531.20 is: 3,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.65 : 4,861.47 = 2,531.20 : x
  2. Step 2: Convert to fraction form
    3,527.65/4,861.47 = 2,531.20/x
  3. Step 3: Cross multiply
    3,527.65x = 4,861.47 × 2,531.20
  4. Step 4: Simplify right side
    3,527.65x = 12,305,345.08
  5. Step 5: Solve for x
    x = 12,305,345.08/3,527.65
  6. Step 6: Final answer
    x = 3,488.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.