Home / 1,225.95-1,836.53-1,095.41

Finding the Fourth Proportional to 1,225.95, 1,836.53 and 1,095.41

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Solution

The fourth proportional to 1,225.95, 1,836.53 and 1,095.41 is: 1,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.95 : 1,836.53 = 1,095.41 : x
  2. Step 2: Convert to fraction form
    1,225.95/1,836.53 = 1,095.41/x
  3. Step 3: Cross multiply
    1,225.95x = 1,836.53 × 1,095.41
  4. Step 4: Simplify right side
    1,225.95x = 2,011,753.33
  5. Step 5: Solve for x
    x = 2,011,753.33/1,225.95
  6. Step 6: Final answer
    x = 1,640.98

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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.