Home / 2,347.20-3,521.47-1,175.79

Finding the Fourth Proportional to 2,347.20, 3,521.47 and 1,175.79

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Solution

The fourth proportional to 2,347.20, 3,521.47 and 1,175.79 is: 1,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.20 : 3,521.47 = 1,175.79 : x
  2. Step 2: Convert to fraction form
    2,347.20/3,521.47 = 1,175.79/x
  3. Step 3: Cross multiply
    2,347.20x = 3,521.47 × 1,175.79
  4. Step 4: Simplify right side
    2,347.20x = 4,140,508.47
  5. Step 5: Solve for x
    x = 4,140,508.47/2,347.20
  6. Step 6: Final answer
    x = 1,764.02

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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.