Home / 2,259.29-3,117.76-1,513.15

Finding the Fourth Proportional to 2,259.29, 3,117.76 and 1,513.15

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Solution

The fourth proportional to 2,259.29, 3,117.76 and 1,513.15 is: 2,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.29 : 3,117.76 = 1,513.15 : x
  2. Step 2: Convert to fraction form
    2,259.29/3,117.76 = 1,513.15/x
  3. Step 3: Cross multiply
    2,259.29x = 3,117.76 × 1,513.15
  4. Step 4: Simplify right side
    2,259.29x = 4,717,626.97
  5. Step 5: Solve for x
    x = 4,717,626.97/2,259.29
  6. Step 6: Final answer
    x = 2,088.10

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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.