Home / 2,260.13-3,388.95-1,272.53

Finding the Fourth Proportional to 2,260.13, 3,388.95 and 1,272.53

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Solution

The fourth proportional to 2,260.13, 3,388.95 and 1,272.53 is: 1,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.13 : 3,388.95 = 1,272.53 : x
  2. Step 2: Convert to fraction form
    2,260.13/3,388.95 = 1,272.53/x
  3. Step 3: Cross multiply
    2,260.13x = 3,388.95 × 1,272.53
  4. Step 4: Simplify right side
    2,260.13x = 4,312,549.02
  5. Step 5: Solve for x
    x = 4,312,549.02/2,260.13
  6. Step 6: Final answer
    x = 1,908.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.