Home / 3,430.47-4,734.14-2,104.91

Finding the Fourth Proportional to 3,430.47, 4,734.14 and 2,104.91

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Solution

The fourth proportional to 3,430.47, 4,734.14 and 2,104.91 is: 2,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.47 : 4,734.14 = 2,104.91 : x
  2. Step 2: Convert to fraction form
    3,430.47/4,734.14 = 2,104.91/x
  3. Step 3: Cross multiply
    3,430.47x = 4,734.14 × 2,104.91
  4. Step 4: Simplify right side
    3,430.47x = 9,964,904.43
  5. Step 5: Solve for x
    x = 9,964,904.43/3,430.47
  6. Step 6: Final answer
    x = 2,904.82

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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.