Home / 4,003.80-5,526.72-2,431.50

Finding the Fourth Proportional to 4,003.80, 5,526.72 and 2,431.50

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Solution

The fourth proportional to 4,003.80, 5,526.72 and 2,431.50 is: 3,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.80 : 5,526.72 = 2,431.50 : x
  2. Step 2: Convert to fraction form
    4,003.80/5,526.72 = 2,431.50/x
  3. Step 3: Cross multiply
    4,003.80x = 5,526.72 × 2,431.50
  4. Step 4: Simplify right side
    4,003.80x = 13,438,219.68
  5. Step 5: Solve for x
    x = 13,438,219.68/4,003.80
  6. Step 6: Final answer
    x = 3,356.37

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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.