Home / 2,347.54-3,238.98-1,591.70

Finding the Fourth Proportional to 2,347.54, 3,238.98 and 1,591.70

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Solution

The fourth proportional to 2,347.54, 3,238.98 and 1,591.70 is: 2,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.54 : 3,238.98 = 1,591.70 : x
  2. Step 2: Convert to fraction form
    2,347.54/3,238.98 = 1,591.70/x
  3. Step 3: Cross multiply
    2,347.54x = 3,238.98 × 1,591.70
  4. Step 4: Simplify right side
    2,347.54x = 5,155,484.47
  5. Step 5: Solve for x
    x = 5,155,484.47/2,347.54
  6. Step 6: Final answer
    x = 2,196.12

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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.