Home / 2,427.92-3,345-2,263.76

Finding the Fourth Proportional to 2,427.92, 3,345 and 2,263.76

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Solution

The fourth proportional to 2,427.92, 3,345 and 2,263.76 is: 3,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.92 : 3,345 = 2,263.76 : x
  2. Step 2: Convert to fraction form
    2,427.92/3,345 = 2,263.76/x
  3. Step 3: Cross multiply
    2,427.92x = 3,345 × 2,263.76
  4. Step 4: Simplify right side
    2,427.92x = 7,572,277.20
  5. Step 5: Solve for x
    x = 7,572,277.20/2,427.92
  6. Step 6: Final answer
    x = 3,118.83

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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.