Home / 4,071.92-5,619.52-2,302.88

Finding the Fourth Proportional to 4,071.92, 5,619.52 and 2,302.88

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Solution

The fourth proportional to 4,071.92, 5,619.52 and 2,302.88 is: 3,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.92 : 5,619.52 = 2,302.88 : x
  2. Step 2: Convert to fraction form
    4,071.92/5,619.52 = 2,302.88/x
  3. Step 3: Cross multiply
    4,071.92x = 5,619.52 × 2,302.88
  4. Step 4: Simplify right side
    4,071.92x = 12,941,080.22
  5. Step 5: Solve for x
    x = 12,941,080.22/4,071.92
  6. Step 6: Final answer
    x = 3,178.13

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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.