Home / 3,287.15-4,536.52-1,870.89

Finding the Fourth Proportional to 3,287.15, 4,536.52 and 1,870.89

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Solution

The fourth proportional to 3,287.15, 4,536.52 and 1,870.89 is: 2,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.15 : 4,536.52 = 1,870.89 : x
  2. Step 2: Convert to fraction form
    3,287.15/4,536.52 = 1,870.89/x
  3. Step 3: Cross multiply
    3,287.15x = 4,536.52 × 1,870.89
  4. Step 4: Simplify right side
    3,287.15x = 8,487,329.90
  5. Step 5: Solve for x
    x = 8,487,329.90/3,287.15
  6. Step 6: Final answer
    x = 2,581.98

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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.