Home / 3,937.06-5,431.08-2,608.93

Finding the Fourth Proportional to 3,937.06, 5,431.08 and 2,608.93

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Solution

The fourth proportional to 3,937.06, 5,431.08 and 2,608.93 is: 3,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.06 : 5,431.08 = 2,608.93 : x
  2. Step 2: Convert to fraction form
    3,937.06/5,431.08 = 2,608.93/x
  3. Step 3: Cross multiply
    3,937.06x = 5,431.08 × 2,608.93
  4. Step 4: Simplify right side
    3,937.06x = 14,169,307.54
  5. Step 5: Solve for x
    x = 14,169,307.54/3,937.06
  6. Step 6: Final answer
    x = 3,598.96

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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.