Home / 1,845.91-2,546.52-1,248.20

Finding the Fourth Proportional to 1,845.91, 2,546.52 and 1,248.20

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Solution

The fourth proportional to 1,845.91, 2,546.52 and 1,248.20 is: 1,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.91 : 2,546.52 = 1,248.20 : x
  2. Step 2: Convert to fraction form
    1,845.91/2,546.52 = 1,248.20/x
  3. Step 3: Cross multiply
    1,845.91x = 2,546.52 × 1,248.20
  4. Step 4: Simplify right side
    1,845.91x = 3,178,566.26
  5. Step 5: Solve for x
    x = 3,178,566.26/1,845.91
  6. Step 6: Final answer
    x = 1,721.95

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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.