Home / 3,084.02-4,255.93-1,686.77

Finding the Fourth Proportional to 3,084.02, 4,255.93 and 1,686.77

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Solution

The fourth proportional to 3,084.02, 4,255.93 and 1,686.77 is: 2,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.02 : 4,255.93 = 1,686.77 : x
  2. Step 2: Convert to fraction form
    3,084.02/4,255.93 = 1,686.77/x
  3. Step 3: Cross multiply
    3,084.02x = 4,255.93 × 1,686.77
  4. Step 4: Simplify right side
    3,084.02x = 7,178,775.05
  5. Step 5: Solve for x
    x = 7,178,775.05/3,084.02
  6. Step 6: Final answer
    x = 2,327.73

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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.