Home / 3,886.59-5,359.75-2,613.34

Finding the Fourth Proportional to 3,886.59, 5,359.75 and 2,613.34

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Solution

The fourth proportional to 3,886.59, 5,359.75 and 2,613.34 is: 3,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.59 : 5,359.75 = 2,613.34 : x
  2. Step 2: Convert to fraction form
    3,886.59/5,359.75 = 2,613.34/x
  3. Step 3: Cross multiply
    3,886.59x = 5,359.75 × 2,613.34
  4. Step 4: Simplify right side
    3,886.59x = 14,006,849.07
  5. Step 5: Solve for x
    x = 14,006,849.07/3,886.59
  6. Step 6: Final answer
    x = 3,603.89

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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.