Home / 3,740.67-5,611.97-1,275.13

Finding the Fourth Proportional to 3,740.67, 5,611.97 and 1,275.13

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Solution

The fourth proportional to 3,740.67, 5,611.97 and 1,275.13 is: 1,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.67 : 5,611.97 = 1,275.13 : x
  2. Step 2: Convert to fraction form
    3,740.67/5,611.97 = 1,275.13/x
  3. Step 3: Cross multiply
    3,740.67x = 5,611.97 × 1,275.13
  4. Step 4: Simplify right side
    3,740.67x = 7,155,991.31
  5. Step 5: Solve for x
    x = 7,155,991.31/3,740.67
  6. Step 6: Final answer
    x = 1,913.02

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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.