Home / 2,264.49-3,124.91-1,320.30

Finding the Fourth Proportional to 2,264.49, 3,124.91 and 1,320.30

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Solution

The fourth proportional to 2,264.49, 3,124.91 and 1,320.30 is: 1,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.49 : 3,124.91 = 1,320.30 : x
  2. Step 2: Convert to fraction form
    2,264.49/3,124.91 = 1,320.30/x
  3. Step 3: Cross multiply
    2,264.49x = 3,124.91 × 1,320.30
  4. Step 4: Simplify right side
    2,264.49x = 4,125,821.97
  5. Step 5: Solve for x
    x = 4,125,821.97/2,264.49
  6. Step 6: Final answer
    x = 1,821.97

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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.