Home / 2,988.58-4,483.40-1,232.61

Finding the Fourth Proportional to 2,988.58, 4,483.40 and 1,232.61

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Solution

The fourth proportional to 2,988.58, 4,483.40 and 1,232.61 is: 1,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.58 : 4,483.40 = 1,232.61 : x
  2. Step 2: Convert to fraction form
    2,988.58/4,483.40 = 1,232.61/x
  3. Step 3: Cross multiply
    2,988.58x = 4,483.40 × 1,232.61
  4. Step 4: Simplify right side
    2,988.58x = 5,526,283.67
  5. Step 5: Solve for x
    x = 5,526,283.67/2,988.58
  6. Step 6: Final answer
    x = 1,849.13

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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.