Home / 3,985.55-5,499.44-2,307.11

Finding the Fourth Proportional to 3,985.55, 5,499.44 and 2,307.11

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Solution

The fourth proportional to 3,985.55, 5,499.44 and 2,307.11 is: 3,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.55 : 5,499.44 = 2,307.11 : x
  2. Step 2: Convert to fraction form
    3,985.55/5,499.44 = 2,307.11/x
  3. Step 3: Cross multiply
    3,985.55x = 5,499.44 × 2,307.11
  4. Step 4: Simplify right side
    3,985.55x = 12,687,811.08
  5. Step 5: Solve for x
    x = 12,687,811.08/3,985.55
  6. Step 6: Final answer
    x = 3,183.45

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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.