Home / 1,041.02-1,563.96-985.04

Finding the Fourth Proportional to 1,041.02, 1,563.96 and 985.04

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Solution

The fourth proportional to 1,041.02, 1,563.96 and 985.04 is: 1,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.02 : 1,563.96 = 985.04 : x
  2. Step 2: Convert to fraction form
    1,041.02/1,563.96 = 985.04/x
  3. Step 3: Cross multiply
    1,041.02x = 1,563.96 × 985.04
  4. Step 4: Simplify right side
    1,041.02x = 1,540,552.19
  5. Step 5: Solve for x
    x = 1,540,552.19/1,041.02
  6. Step 6: Final answer
    x = 1,479.85

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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.