Home / 2,560.76-3,534.36-1,513.16

Finding the Fourth Proportional to 2,560.76, 3,534.36 and 1,513.16

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Solution

The fourth proportional to 2,560.76, 3,534.36 and 1,513.16 is: 2,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.76 : 3,534.36 = 1,513.16 : x
  2. Step 2: Convert to fraction form
    2,560.76/3,534.36 = 1,513.16/x
  3. Step 3: Cross multiply
    2,560.76x = 3,534.36 × 1,513.16
  4. Step 4: Simplify right side
    2,560.76x = 5,348,052.18
  5. Step 5: Solve for x
    x = 5,348,052.18/2,560.76
  6. Step 6: Final answer
    x = 2,088.46

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Double scale
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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.