Home / 1,084.02-1,617.51-1,017.90

Finding the Fourth Proportional to 1,084.02, 1,617.51 and 1,017.90

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Solution

The fourth proportional to 1,084.02, 1,617.51 and 1,017.90 is: 1,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.02 : 1,617.51 = 1,017.90 : x
  2. Step 2: Convert to fraction form
    1,084.02/1,617.51 = 1,017.90/x
  3. Step 3: Cross multiply
    1,084.02x = 1,617.51 × 1,017.90
  4. Step 4: Simplify right side
    1,084.02x = 1,646,463.43
  5. Step 5: Solve for x
    x = 1,646,463.43/1,084.02
  6. Step 6: Final answer
    x = 1,518.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.