Home / 2,981.53-4,114.26-1,655.26

Finding the Fourth Proportional to 2,981.53, 4,114.26 and 1,655.26

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Solution

The fourth proportional to 2,981.53, 4,114.26 and 1,655.26 is: 2,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.53 : 4,114.26 = 1,655.26 : x
  2. Step 2: Convert to fraction form
    2,981.53/4,114.26 = 1,655.26/x
  3. Step 3: Cross multiply
    2,981.53x = 4,114.26 × 1,655.26
  4. Step 4: Simplify right side
    2,981.53x = 6,810,170.01
  5. Step 5: Solve for x
    x = 6,810,170.01/2,981.53
  6. Step 6: Final answer
    x = 2,284.12

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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.