Home / 3,402.24-4,694.29-1,985.10

Finding the Fourth Proportional to 3,402.24, 4,694.29 and 1,985.10

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Solution

The fourth proportional to 3,402.24, 4,694.29 and 1,985.10 is: 2,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.24 : 4,694.29 = 1,985.10 : x
  2. Step 2: Convert to fraction form
    3,402.24/4,694.29 = 1,985.10/x
  3. Step 3: Cross multiply
    3,402.24x = 4,694.29 × 1,985.10
  4. Step 4: Simplify right side
    3,402.24x = 9,318,612.51
  5. Step 5: Solve for x
    x = 9,318,612.51/3,402.24
  6. Step 6: Final answer
    x = 2,738.97

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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.