Home / 2,560.31-3,837.36-1,171.70

Finding the Fourth Proportional to 2,560.31, 3,837.36 and 1,171.70

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Solution

The fourth proportional to 2,560.31, 3,837.36 and 1,171.70 is: 1,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.31 : 3,837.36 = 1,171.70 : x
  2. Step 2: Convert to fraction form
    2,560.31/3,837.36 = 1,171.70/x
  3. Step 3: Cross multiply
    2,560.31x = 3,837.36 × 1,171.70
  4. Step 4: Simplify right side
    2,560.31x = 4,496,234.71
  5. Step 5: Solve for x
    x = 4,496,234.71/2,560.31
  6. Step 6: Final answer
    x = 1,756.13

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1.5x scale

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.