Home / 1,630.93-2,442.05-1,111.95

Finding the Fourth Proportional to 1,630.93, 2,442.05 and 1,111.95

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Solution

The fourth proportional to 1,630.93, 2,442.05 and 1,111.95 is: 1,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.93 : 2,442.05 = 1,111.95 : x
  2. Step 2: Convert to fraction form
    1,630.93/2,442.05 = 1,111.95/x
  3. Step 3: Cross multiply
    1,630.93x = 2,442.05 × 1,111.95
  4. Step 4: Simplify right side
    1,630.93x = 2,715,436.11
  5. Step 5: Solve for x
    x = 2,715,436.11/1,630.93
  6. Step 6: Final answer
    x = 1,664.96

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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.