Home / 2,262.06-3,122.15-1,377.68

Finding the Fourth Proportional to 2,262.06, 3,122.15 and 1,377.68

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Solution

The fourth proportional to 2,262.06, 3,122.15 and 1,377.68 is: 1,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.06 : 3,122.15 = 1,377.68 : x
  2. Step 2: Convert to fraction form
    2,262.06/3,122.15 = 1,377.68/x
  3. Step 3: Cross multiply
    2,262.06x = 3,122.15 × 1,377.68
  4. Step 4: Simplify right side
    2,262.06x = 4,301,301.11
  5. Step 5: Solve for x
    x = 4,301,301.11/2,262.06
  6. Step 6: Final answer
    x = 1,901.50

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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.