Home / 2,187.50-3,281.04-1,017.02

Finding the Fourth Proportional to 2,187.50, 3,281.04 and 1,017.02

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Solution

The fourth proportional to 2,187.50, 3,281.04 and 1,017.02 is: 1,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.50 : 3,281.04 = 1,017.02 : x
  2. Step 2: Convert to fraction form
    2,187.50/3,281.04 = 1,017.02/x
  3. Step 3: Cross multiply
    2,187.50x = 3,281.04 × 1,017.02
  4. Step 4: Simplify right side
    2,187.50x = 3,336,883.30
  5. Step 5: Solve for x
    x = 3,336,883.30/2,187.50
  6. Step 6: Final answer
    x = 1,525.43

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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.