Home / 3,114.88-4,658.40-2,770.36

Finding the Fourth Proportional to 3,114.88, 4,658.40 and 2,770.36

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Solution

The fourth proportional to 3,114.88, 4,658.40 and 2,770.36 is: 4,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.88 : 4,658.40 = 2,770.36 : x
  2. Step 2: Convert to fraction form
    3,114.88/4,658.40 = 2,770.36/x
  3. Step 3: Cross multiply
    3,114.88x = 4,658.40 × 2,770.36
  4. Step 4: Simplify right side
    3,114.88x = 12,905,445.02
  5. Step 5: Solve for x
    x = 12,905,445.02/3,114.88
  6. Step 6: Final answer
    x = 4,143.16

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1.5x scale

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.