Home / 3,674.64-5,070.40-2,081.23

Finding the Fourth Proportional to 3,674.64, 5,070.40 and 2,081.23

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Solution

The fourth proportional to 3,674.64, 5,070.40 and 2,081.23 is: 2,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.64 : 5,070.40 = 2,081.23 : x
  2. Step 2: Convert to fraction form
    3,674.64/5,070.40 = 2,081.23/x
  3. Step 3: Cross multiply
    3,674.64x = 5,070.40 × 2,081.23
  4. Step 4: Simplify right side
    3,674.64x = 10,552,668.59
  5. Step 5: Solve for x
    x = 10,552,668.59/3,674.64
  6. Step 6: Final answer
    x = 2,871.76

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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.