Home / 4,071.94-5,618.80-2,279.52

Finding the Fourth Proportional to 4,071.94, 5,618.80 and 2,279.52

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Solution

The fourth proportional to 4,071.94, 5,618.80 and 2,279.52 is: 3,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.94 : 5,618.80 = 2,279.52 : x
  2. Step 2: Convert to fraction form
    4,071.94/5,618.80 = 2,279.52/x
  3. Step 3: Cross multiply
    4,071.94x = 5,618.80 × 2,279.52
  4. Step 4: Simplify right side
    4,071.94x = 12,808,158.63
  5. Step 5: Solve for x
    x = 12,808,158.63/4,071.94
  6. Step 6: Final answer
    x = 3,145.47

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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.