Home / 3,236.40-4,832.65-2,570.78

Finding the Fourth Proportional to 3,236.40, 4,832.65 and 2,570.78

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Solution

The fourth proportional to 3,236.40, 4,832.65 and 2,570.78 is: 3,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.40 : 4,832.65 = 2,570.78 : x
  2. Step 2: Convert to fraction form
    3,236.40/4,832.65 = 2,570.78/x
  3. Step 3: Cross multiply
    3,236.40x = 4,832.65 × 2,570.78
  4. Step 4: Simplify right side
    3,236.40x = 12,423,689.86
  5. Step 5: Solve for x
    x = 12,423,689.86/3,236.40
  6. Step 6: Final answer
    x = 3,838.74

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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.