Home / 3,740.16-5,162.40-2,560.80

Finding the Fourth Proportional to 3,740.16, 5,162.40 and 2,560.80

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Solution

The fourth proportional to 3,740.16, 5,162.40 and 2,560.80 is: 3,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.16 : 5,162.40 = 2,560.80 : x
  2. Step 2: Convert to fraction form
    3,740.16/5,162.40 = 2,560.80/x
  3. Step 3: Cross multiply
    3,740.16x = 5,162.40 × 2,560.80
  4. Step 4: Simplify right side
    3,740.16x = 13,219,873.92
  5. Step 5: Solve for x
    x = 13,219,873.92/3,740.16
  6. Step 6: Final answer
    x = 3,534.57

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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.