Home / 1,616.19-2,427.95-1,397.49

Finding the Fourth Proportional to 1,616.19, 2,427.95 and 1,397.49

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Solution

The fourth proportional to 1,616.19, 2,427.95 and 1,397.49 is: 2,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.19 : 2,427.95 = 1,397.49 : x
  2. Step 2: Convert to fraction form
    1,616.19/2,427.95 = 1,397.49/x
  3. Step 3: Cross multiply
    1,616.19x = 2,427.95 × 1,397.49
  4. Step 4: Simplify right side
    1,616.19x = 3,393,035.85
  5. Step 5: Solve for x
    x = 3,393,035.85/1,616.19
  6. Step 6: Final answer
    x = 2,099.40

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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.