Home / 3,103.89-4,283.15-1,777.56

Finding the Fourth Proportional to 3,103.89, 4,283.15 and 1,777.56

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Solution

The fourth proportional to 3,103.89, 4,283.15 and 1,777.56 is: 2,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.89 : 4,283.15 = 1,777.56 : x
  2. Step 2: Convert to fraction form
    3,103.89/4,283.15 = 1,777.56/x
  3. Step 3: Cross multiply
    3,103.89x = 4,283.15 × 1,777.56
  4. Step 4: Simplify right side
    3,103.89x = 7,613,547.23
  5. Step 5: Solve for x
    x = 7,613,547.23/3,103.89
  6. Step 6: Final answer
    x = 2,452.90

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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.