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Finding the Fourth Proportional to 3,368.86, 4,647.88 and 1,952.17

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Solution

The fourth proportional to 3,368.86, 4,647.88 and 1,952.17 is: 2,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.86 : 4,647.88 = 1,952.17 : x
  2. Step 2: Convert to fraction form
    3,368.86/4,647.88 = 1,952.17/x
  3. Step 3: Cross multiply
    3,368.86x = 4,647.88 × 1,952.17
  4. Step 4: Simplify right side
    3,368.86x = 9,073,442.72
  5. Step 5: Solve for x
    x = 9,073,442.72/3,368.86
  6. Step 6: Final answer
    x = 2,693.33

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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.