Home / 3,368.79-4,648.57-1,876.42

Finding the Fourth Proportional to 3,368.79, 4,648.57 and 1,876.42

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Solution

The fourth proportional to 3,368.79, 4,648.57 and 1,876.42 is: 2,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.79 : 4,648.57 = 1,876.42 : x
  2. Step 2: Convert to fraction form
    3,368.79/4,648.57 = 1,876.42/x
  3. Step 3: Cross multiply
    3,368.79x = 4,648.57 × 1,876.42
  4. Step 4: Simplify right side
    3,368.79x = 8,722,673.35
  5. Step 5: Solve for x
    x = 8,722,673.35/3,368.79
  6. Step 6: Final answer
    x = 2,589.26

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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.