Home / 2,989.02-4,480.47-1,040.16

Finding the Fourth Proportional to 2,989.02, 4,480.47 and 1,040.16

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Solution

The fourth proportional to 2,989.02, 4,480.47 and 1,040.16 is: 1,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.02 : 4,480.47 = 1,040.16 : x
  2. Step 2: Convert to fraction form
    2,989.02/4,480.47 = 1,040.16/x
  3. Step 3: Cross multiply
    2,989.02x = 4,480.47 × 1,040.16
  4. Step 4: Simplify right side
    2,989.02x = 4,660,405.68
  5. Step 5: Solve for x
    x = 4,660,405.68/2,989.02
  6. Step 6: Final answer
    x = 1,559.18

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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.