Home / 2,988.02-4,478.97-1,039.16

Finding the Fourth Proportional to 2,988.02, 4,478.97 and 1,039.16

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Solution

The fourth proportional to 2,988.02, 4,478.97 and 1,039.16 is: 1,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.02 : 4,478.97 = 1,039.16 : x
  2. Step 2: Convert to fraction form
    2,988.02/4,478.97 = 1,039.16/x
  3. Step 3: Cross multiply
    2,988.02x = 4,478.97 × 1,039.16
  4. Step 4: Simplify right side
    2,988.02x = 4,654,366.47
  5. Step 5: Solve for x
    x = 4,654,366.47/2,988.02
  6. Step 6: Final answer
    x = 1,557.68

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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.