Home / 4,220.88-6,332.16-2,031.12

Finding the Fourth Proportional to 4,220.88, 6,332.16 and 2,031.12

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Solution

The fourth proportional to 4,220.88, 6,332.16 and 2,031.12 is: 3,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.88 : 6,332.16 = 2,031.12 : x
  2. Step 2: Convert to fraction form
    4,220.88/6,332.16 = 2,031.12/x
  3. Step 3: Cross multiply
    4,220.88x = 6,332.16 × 2,031.12
  4. Step 4: Simplify right side
    4,220.88x = 12,861,376.82
  5. Step 5: Solve for x
    x = 12,861,376.82/4,220.88
  6. Step 6: Final answer
    x = 3,047.08

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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.