Home / 3,674.61-5,070.85-2,102.60

Finding the Fourth Proportional to 3,674.61, 5,070.85 and 2,102.60

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Solution

The fourth proportional to 3,674.61, 5,070.85 and 2,102.60 is: 2,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.61 : 5,070.85 = 2,102.60 : x
  2. Step 2: Convert to fraction form
    3,674.61/5,070.85 = 2,102.60/x
  3. Step 3: Cross multiply
    3,674.61x = 5,070.85 × 2,102.60
  4. Step 4: Simplify right side
    3,674.61x = 10,661,969.21
  5. Step 5: Solve for x
    x = 10,661,969.21/3,674.61
  6. Step 6: Final answer
    x = 2,901.52

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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.