Home / 3,542.45-4,888.57-1,970.55

Finding the Fourth Proportional to 3,542.45, 4,888.57 and 1,970.55

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Solution

The fourth proportional to 3,542.45, 4,888.57 and 1,970.55 is: 2,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.45 : 4,888.57 = 1,970.55 : x
  2. Step 2: Convert to fraction form
    3,542.45/4,888.57 = 1,970.55/x
  3. Step 3: Cross multiply
    3,542.45x = 4,888.57 × 1,970.55
  4. Step 4: Simplify right side
    3,542.45x = 9,633,171.61
  5. Step 5: Solve for x
    x = 9,633,171.61/3,542.45
  6. Step 6: Final answer
    x = 2,719.35

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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.