Home / 3,574.83-4,933.01-1,981.36

Finding the Fourth Proportional to 3,574.83, 4,933.01 and 1,981.36

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Solution

The fourth proportional to 3,574.83, 4,933.01 and 1,981.36 is: 2,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.83 : 4,933.01 = 1,981.36 : x
  2. Step 2: Convert to fraction form
    3,574.83/4,933.01 = 1,981.36/x
  3. Step 3: Cross multiply
    3,574.83x = 4,933.01 × 1,981.36
  4. Step 4: Simplify right side
    3,574.83x = 9,774,068.69
  5. Step 5: Solve for x
    x = 9,774,068.69/3,574.83
  6. Step 6: Final answer
    x = 2,734.14

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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.