Home / 2,260.16-3,119.52-1,376

Finding the Fourth Proportional to 2,260.16, 3,119.52 and 1,376

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Solution

The fourth proportional to 2,260.16, 3,119.52 and 1,376 is: 1,899.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.16 : 3,119.52 = 1,376 : x
  2. Step 2: Convert to fraction form
    2,260.16/3,119.52 = 1,376/x
  3. Step 3: Cross multiply
    2,260.16x = 3,119.52 × 1,376
  4. Step 4: Simplify right side
    2,260.16x = 4,292,459.52
  5. Step 5: Solve for x
    x = 4,292,459.52/2,260.16
  6. Step 6: Final answer
    x = 1,899.18

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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.