Home / 3,101.24-4,280.84-2,053.64

Finding the Fourth Proportional to 3,101.24, 4,280.84 and 2,053.64

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Solution

The fourth proportional to 3,101.24, 4,280.84 and 2,053.64 is: 2,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.24 : 4,280.84 = 2,053.64 : x
  2. Step 2: Convert to fraction form
    3,101.24/4,280.84 = 2,053.64/x
  3. Step 3: Cross multiply
    3,101.24x = 4,280.84 × 2,053.64
  4. Step 4: Simplify right side
    3,101.24x = 8,791,272.59
  5. Step 5: Solve for x
    x = 8,791,272.59/3,101.24
  6. Step 6: Final answer
    x = 2,834.77

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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.