Home / 2,248.92-3,103.65-1,240.67

Finding the Fourth Proportional to 2,248.92, 3,103.65 and 1,240.67

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Solution

The fourth proportional to 2,248.92, 3,103.65 and 1,240.67 is: 1,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.92 : 3,103.65 = 1,240.67 : x
  2. Step 2: Convert to fraction form
    2,248.92/3,103.65 = 1,240.67/x
  3. Step 3: Cross multiply
    2,248.92x = 3,103.65 × 1,240.67
  4. Step 4: Simplify right side
    2,248.92x = 3,850,605.45
  5. Step 5: Solve for x
    x = 3,850,605.45/2,248.92
  6. Step 6: Final answer
    x = 1,712.20

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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.