Home / 2,560.17-3,534.21-1,721.46

Finding the Fourth Proportional to 2,560.17, 3,534.21 and 1,721.46

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Solution

The fourth proportional to 2,560.17, 3,534.21 and 1,721.46 is: 2,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.17 : 3,534.21 = 1,721.46 : x
  2. Step 2: Convert to fraction form
    2,560.17/3,534.21 = 1,721.46/x
  3. Step 3: Cross multiply
    2,560.17x = 3,534.21 × 1,721.46
  4. Step 4: Simplify right side
    2,560.17x = 6,084,001.15
  5. Step 5: Solve for x
    x = 6,084,001.15/2,560.17
  6. Step 6: Final answer
    x = 2,376.41

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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.