Home / 2,988.42-4,482.59-1,040.58

Finding the Fourth Proportional to 2,988.42, 4,482.59 and 1,040.58

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Solution

The fourth proportional to 2,988.42, 4,482.59 and 1,040.58 is: 1,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.42 : 4,482.59 = 1,040.58 : x
  2. Step 2: Convert to fraction form
    2,988.42/4,482.59 = 1,040.58/x
  3. Step 3: Cross multiply
    2,988.42x = 4,482.59 × 1,040.58
  4. Step 4: Simplify right side
    2,988.42x = 4,664,488.30
  5. Step 5: Solve for x
    x = 4,664,488.30/2,988.42
  6. Step 6: Final answer
    x = 1,560.85

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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.