Home / 3,114.42-4,288.05-2,526.90

Finding the Fourth Proportional to 3,114.42, 4,288.05 and 2,526.90

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Solution

The fourth proportional to 3,114.42, 4,288.05 and 2,526.90 is: 3,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.42 : 4,288.05 = 2,526.90 : x
  2. Step 2: Convert to fraction form
    3,114.42/4,288.05 = 2,526.90/x
  3. Step 3: Cross multiply
    3,114.42x = 4,288.05 × 2,526.90
  4. Step 4: Simplify right side
    3,114.42x = 10,835,473.55
  5. Step 5: Solve for x
    x = 10,835,473.55/3,114.42
  6. Step 6: Final answer
    x = 3,479.13

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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.