Home / 3,763.02-5,189.76-2,975.70

Finding the Fourth Proportional to 3,763.02, 5,189.76 and 2,975.70

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Solution

The fourth proportional to 3,763.02, 5,189.76 and 2,975.70 is: 4,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.02 : 5,189.76 = 2,975.70 : x
  2. Step 2: Convert to fraction form
    3,763.02/5,189.76 = 2,975.70/x
  3. Step 3: Cross multiply
    3,763.02x = 5,189.76 × 2,975.70
  4. Step 4: Simplify right side
    3,763.02x = 15,443,168.83
  5. Step 5: Solve for x
    x = 15,443,168.83/3,763.02
  6. Step 6: Final answer
    x = 4,103.93

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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.