Home / 2,524.32-3,770.28-2,178.72

Finding the Fourth Proportional to 2,524.32, 3,770.28 and 2,178.72

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Solution

The fourth proportional to 2,524.32, 3,770.28 and 2,178.72 is: 3,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.32 : 3,770.28 = 2,178.72 : x
  2. Step 2: Convert to fraction form
    2,524.32/3,770.28 = 2,178.72/x
  3. Step 3: Cross multiply
    2,524.32x = 3,770.28 × 2,178.72
  4. Step 4: Simplify right side
    2,524.32x = 8,214,384.44
  5. Step 5: Solve for x
    x = 8,214,384.44/2,524.32
  6. Step 6: Final answer
    x = 3,254.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.