Home / 3,357.90-5,036.85-1,277.42

Finding the Fourth Proportional to 3,357.90, 5,036.85 and 1,277.42

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Solution

The fourth proportional to 3,357.90, 5,036.85 and 1,277.42 is: 1,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.90 : 5,036.85 = 1,277.42 : x
  2. Step 2: Convert to fraction form
    3,357.90/5,036.85 = 1,277.42/x
  3. Step 3: Cross multiply
    3,357.90x = 5,036.85 × 1,277.42
  4. Step 4: Simplify right side
    3,357.90x = 6,434,172.93
  5. Step 5: Solve for x
    x = 6,434,172.93/3,357.90
  6. Step 6: Final answer
    x = 1,916.13

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Similar ratio
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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.