Home / 2,103.11-2,902.36-1,158.93

Finding the Fourth Proportional to 2,103.11, 2,902.36 and 1,158.93

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Solution

The fourth proportional to 2,103.11, 2,902.36 and 1,158.93 is: 1,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.11 : 2,902.36 = 1,158.93 : x
  2. Step 2: Convert to fraction form
    2,103.11/2,902.36 = 1,158.93/x
  3. Step 3: Cross multiply
    2,103.11x = 2,902.36 × 1,158.93
  4. Step 4: Simplify right side
    2,103.11x = 3,363,629.18
  5. Step 5: Solve for x
    x = 3,363,629.18/2,103.11
  6. Step 6: Final answer
    x = 1,599.36

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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.