Home / 3,118.02-4,302.95-1,773.85

Finding the Fourth Proportional to 3,118.02, 4,302.95 and 1,773.85

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Solution

The fourth proportional to 3,118.02, 4,302.95 and 1,773.85 is: 2,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.02 : 4,302.95 = 1,773.85 : x
  2. Step 2: Convert to fraction form
    3,118.02/4,302.95 = 1,773.85/x
  3. Step 3: Cross multiply
    3,118.02x = 4,302.95 × 1,773.85
  4. Step 4: Simplify right side
    3,118.02x = 7,632,787.86
  5. Step 5: Solve for x
    x = 7,632,787.86/3,118.02
  6. Step 6: Final answer
    x = 2,447.96

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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.