Home / 3,529.38-4,870.69-1,957.46

Finding the Fourth Proportional to 3,529.38, 4,870.69 and 1,957.46

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Solution

The fourth proportional to 3,529.38, 4,870.69 and 1,957.46 is: 2,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.38 : 4,870.69 = 1,957.46 : x
  2. Step 2: Convert to fraction form
    3,529.38/4,870.69 = 1,957.46/x
  3. Step 3: Cross multiply
    3,529.38x = 4,870.69 × 1,957.46
  4. Step 4: Simplify right side
    3,529.38x = 9,534,180.85
  5. Step 5: Solve for x
    x = 9,534,180.85/3,529.38
  6. Step 6: Final answer
    x = 2,701.38

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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.