Home / 3,125.02-4,686.20-1,274.86

Finding the Fourth Proportional to 3,125.02, 4,686.20 and 1,274.86

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Solution

The fourth proportional to 3,125.02, 4,686.20 and 1,274.86 is: 1,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.02 : 4,686.20 = 1,274.86 : x
  2. Step 2: Convert to fraction form
    3,125.02/4,686.20 = 1,274.86/x
  3. Step 3: Cross multiply
    3,125.02x = 4,686.20 × 1,274.86
  4. Step 4: Simplify right side
    3,125.02x = 5,974,248.93
  5. Step 5: Solve for x
    x = 5,974,248.93/3,125.02
  6. Step 6: Final answer
    x = 1,911.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.