Home / 2,103.11-2,902.29-1,158.98

Finding the Fourth Proportional to 2,103.11, 2,902.29 and 1,158.98

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Solution

The fourth proportional to 2,103.11, 2,902.29 and 1,158.98 is: 1,599.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.11 : 2,902.29 = 1,158.98 : x
  2. Step 2: Convert to fraction form
    2,103.11/2,902.29 = 1,158.98/x
  3. Step 3: Cross multiply
    2,103.11x = 2,902.29 × 1,158.98
  4. Step 4: Simplify right side
    2,103.11x = 3,363,696.06
  5. Step 5: Solve for x
    x = 3,363,696.06/2,103.11
  6. Step 6: Final answer
    x = 1,599.39

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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.