Home / 3,569.43-4,928.55-2,782.11

Finding the Fourth Proportional to 3,569.43, 4,928.55 and 2,782.11

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Solution

The fourth proportional to 3,569.43, 4,928.55 and 2,782.11 is: 3,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.43 : 4,928.55 = 2,782.11 : x
  2. Step 2: Convert to fraction form
    3,569.43/4,928.55 = 2,782.11/x
  3. Step 3: Cross multiply
    3,569.43x = 4,928.55 × 2,782.11
  4. Step 4: Simplify right side
    3,569.43x = 13,711,768.24
  5. Step 5: Solve for x
    x = 13,711,768.24/3,569.43
  6. Step 6: Final answer
    x = 3,841.44

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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.