Home / 4,085.56-5,635.65-2,315.89

Finding the Fourth Proportional to 4,085.56, 5,635.65 and 2,315.89

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Solution

The fourth proportional to 4,085.56, 5,635.65 and 2,315.89 is: 3,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.56 : 5,635.65 = 2,315.89 : x
  2. Step 2: Convert to fraction form
    4,085.56/5,635.65 = 2,315.89/x
  3. Step 3: Cross multiply
    4,085.56x = 5,635.65 × 2,315.89
  4. Step 4: Simplify right side
    4,085.56x = 13,051,545.48
  5. Step 5: Solve for x
    x = 13,051,545.48/4,085.56
  6. Step 6: Final answer
    x = 3,194.55

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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.