Home / 3,148.12-4,337.44-2,307.88

Finding the Fourth Proportional to 3,148.12, 4,337.44 and 2,307.88

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Solution

The fourth proportional to 3,148.12, 4,337.44 and 2,307.88 is: 3,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.12 : 4,337.44 = 2,307.88 : x
  2. Step 2: Convert to fraction form
    3,148.12/4,337.44 = 2,307.88/x
  3. Step 3: Cross multiply
    3,148.12x = 4,337.44 × 2,307.88
  4. Step 4: Simplify right side
    3,148.12x = 10,010,291.03
  5. Step 5: Solve for x
    x = 10,010,291.03/3,148.12
  6. Step 6: Final answer
    x = 3,179.77

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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.