Home / 3,403.10-4,696.27-1,987.76

Finding the Fourth Proportional to 3,403.10, 4,696.27 and 1,987.76

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Solution

The fourth proportional to 3,403.10, 4,696.27 and 1,987.76 is: 2,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.10 : 4,696.27 = 1,987.76 : x
  2. Step 2: Convert to fraction form
    3,403.10/4,696.27 = 1,987.76/x
  3. Step 3: Cross multiply
    3,403.10x = 4,696.27 × 1,987.76
  4. Step 4: Simplify right side
    3,403.10x = 9,335,029.20
  5. Step 5: Solve for x
    x = 9,335,029.20/3,403.10
  6. Step 6: Final answer
    x = 2,743.10

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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.