Home / 1,998.02-2,757.87-1,158.93

Finding the Fourth Proportional to 1,998.02, 2,757.87 and 1,158.93

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Solution

The fourth proportional to 1,998.02, 2,757.87 and 1,158.93 is: 1,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.02 : 2,757.87 = 1,158.93 : x
  2. Step 2: Convert to fraction form
    1,998.02/2,757.87 = 1,158.93/x
  3. Step 3: Cross multiply
    1,998.02x = 2,757.87 × 1,158.93
  4. Step 4: Simplify right side
    1,998.02x = 3,196,178.28
  5. Step 5: Solve for x
    x = 3,196,178.28/1,998.02
  6. Step 6: Final answer
    x = 1,599.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.