Home / 2,655.41-3,981.36-1,485.53

Finding the Fourth Proportional to 2,655.41, 3,981.36 and 1,485.53

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Solution

The fourth proportional to 2,655.41, 3,981.36 and 1,485.53 is: 2,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.41 : 3,981.36 = 1,485.53 : x
  2. Step 2: Convert to fraction form
    2,655.41/3,981.36 = 1,485.53/x
  3. Step 3: Cross multiply
    2,655.41x = 3,981.36 × 1,485.53
  4. Step 4: Simplify right side
    2,655.41x = 5,914,445.24
  5. Step 5: Solve for x
    x = 5,914,445.24/2,655.41
  6. Step 6: Final answer
    x = 2,227.32

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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.