Home / 3,151.32-4,347.45-2,207.27

Finding the Fourth Proportional to 3,151.32, 4,347.45 and 2,207.27

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Solution

The fourth proportional to 3,151.32, 4,347.45 and 2,207.27 is: 3,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.32 : 4,347.45 = 2,207.27 : x
  2. Step 2: Convert to fraction form
    3,151.32/4,347.45 = 2,207.27/x
  3. Step 3: Cross multiply
    3,151.32x = 4,347.45 × 2,207.27
  4. Step 4: Simplify right side
    3,151.32x = 9,595,995.96
  5. Step 5: Solve for x
    x = 9,595,995.96/3,151.32
  6. Step 6: Final answer
    x = 3,045.07

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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.