Home / 3,368.76-4,648.35-1,876.64

Finding the Fourth Proportional to 3,368.76, 4,648.35 and 1,876.64

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Solution

The fourth proportional to 3,368.76, 4,648.35 and 1,876.64 is: 2,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.76 : 4,648.35 = 1,876.64 : x
  2. Step 2: Convert to fraction form
    3,368.76/4,648.35 = 1,876.64/x
  3. Step 3: Cross multiply
    3,368.76x = 4,648.35 × 1,876.64
  4. Step 4: Simplify right side
    3,368.76x = 8,723,294.64
  5. Step 5: Solve for x
    x = 8,723,294.64/3,368.76
  6. Step 6: Final answer
    x = 2,589.46

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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.