Home / 3,574.81-4,933.42-1,981.63

Finding the Fourth Proportional to 3,574.81, 4,933.42 and 1,981.63

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Solution

The fourth proportional to 3,574.81, 4,933.42 and 1,981.63 is: 2,734.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.81 : 4,933.42 = 1,981.63 : x
  2. Step 2: Convert to fraction form
    3,574.81/4,933.42 = 1,981.63/x
  3. Step 3: Cross multiply
    3,574.81x = 4,933.42 × 1,981.63
  4. Step 4: Simplify right side
    3,574.81x = 9,776,203.22
  5. Step 5: Solve for x
    x = 9,776,203.22/3,574.81
  6. Step 6: Final answer
    x = 2,734.75

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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.