Home / 2,988.98-4,483.56-1,041.20

Finding the Fourth Proportional to 2,988.98, 4,483.56 and 1,041.20

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Solution

The fourth proportional to 2,988.98, 4,483.56 and 1,041.20 is: 1,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.98 : 4,483.56 = 1,041.20 : x
  2. Step 2: Convert to fraction form
    2,988.98/4,483.56 = 1,041.20/x
  3. Step 3: Cross multiply
    2,988.98x = 4,483.56 × 1,041.20
  4. Step 4: Simplify right side
    2,988.98x = 4,668,282.67
  5. Step 5: Solve for x
    x = 4,668,282.67/2,988.98
  6. Step 6: Final answer
    x = 1,561.83

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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.