Home / 3,442.85-4,750.75-1,950.45

Finding the Fourth Proportional to 3,442.85, 4,750.75 and 1,950.45

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Solution

The fourth proportional to 3,442.85, 4,750.75 and 1,950.45 is: 2,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.85 : 4,750.75 = 1,950.45 : x
  2. Step 2: Convert to fraction form
    3,442.85/4,750.75 = 1,950.45/x
  3. Step 3: Cross multiply
    3,442.85x = 4,750.75 × 1,950.45
  4. Step 4: Simplify right side
    3,442.85x = 9,266,086.55
  5. Step 5: Solve for x
    x = 9,266,086.55/3,442.85
  6. Step 6: Final answer
    x = 2,691.40

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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.