Home / 2,158.26-3,242.88-2,098.02

Finding the Fourth Proportional to 2,158.26, 3,242.88 and 2,098.02

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Solution

The fourth proportional to 2,158.26, 3,242.88 and 2,098.02 is: 3,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.26 : 3,242.88 = 2,098.02 : x
  2. Step 2: Convert to fraction form
    2,158.26/3,242.88 = 2,098.02/x
  3. Step 3: Cross multiply
    2,158.26x = 3,242.88 × 2,098.02
  4. Step 4: Simplify right side
    2,158.26x = 6,803,627.10
  5. Step 5: Solve for x
    x = 6,803,627.10/2,158.26
  6. Step 6: Final answer
    x = 3,152.37

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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.