Home / 2,988.19-4,482.31-1,040.39

Finding the Fourth Proportional to 2,988.19, 4,482.31 and 1,040.39

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Solution

The fourth proportional to 2,988.19, 4,482.31 and 1,040.39 is: 1,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.19 : 4,482.31 = 1,040.39 : x
  2. Step 2: Convert to fraction form
    2,988.19/4,482.31 = 1,040.39/x
  3. Step 3: Cross multiply
    2,988.19x = 4,482.31 × 1,040.39
  4. Step 4: Simplify right side
    2,988.19x = 4,663,350.50
  5. Step 5: Solve for x
    x = 4,663,350.50/2,988.19
  6. Step 6: Final answer
    x = 1,560.59

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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.