Home / 2,347.26-3,538.51-2,188.72

Finding the Fourth Proportional to 2,347.26, 3,538.51 and 2,188.72

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Solution

The fourth proportional to 2,347.26, 3,538.51 and 2,188.72 is: 3,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.26 : 3,538.51 = 2,188.72 : x
  2. Step 2: Convert to fraction form
    2,347.26/3,538.51 = 2,188.72/x
  3. Step 3: Cross multiply
    2,347.26x = 3,538.51 × 2,188.72
  4. Step 4: Simplify right side
    2,347.26x = 7,744,807.61
  5. Step 5: Solve for x
    x = 7,744,807.61/2,347.26
  6. Step 6: Final answer
    x = 3,299.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.