Home / 3,574.98-4,933.44-1,981.68

Finding the Fourth Proportional to 3,574.98, 4,933.44 and 1,981.68

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Solution

The fourth proportional to 3,574.98, 4,933.44 and 1,981.68 is: 2,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.98 : 4,933.44 = 1,981.68 : x
  2. Step 2: Convert to fraction form
    3,574.98/4,933.44 = 1,981.68/x
  3. Step 3: Cross multiply
    3,574.98x = 4,933.44 × 1,981.68
  4. Step 4: Simplify right side
    3,574.98x = 9,776,499.38
  5. Step 5: Solve for x
    x = 9,776,499.38/3,574.98
  6. Step 6: Final answer
    x = 2,734.70

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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.