Home / 3,403.60-4,695.78-2,144.77

Finding the Fourth Proportional to 3,403.60, 4,695.78 and 2,144.77

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Solution

The fourth proportional to 3,403.60, 4,695.78 and 2,144.77 is: 2,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.60 : 4,695.78 = 2,144.77 : x
  2. Step 2: Convert to fraction form
    3,403.60/4,695.78 = 2,144.77/x
  3. Step 3: Cross multiply
    3,403.60x = 4,695.78 × 2,144.77
  4. Step 4: Simplify right side
    3,403.60x = 10,071,368.07
  5. Step 5: Solve for x
    x = 10,071,368.07/3,403.60
  6. Step 6: Final answer
    x = 2,959.03

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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.