Home / 2,752.90-3,799.01-1,574

Finding the Fourth Proportional to 2,752.90, 3,799.01 and 1,574

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Solution

The fourth proportional to 2,752.90, 3,799.01 and 1,574 is: 2,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.90 : 3,799.01 = 1,574 : x
  2. Step 2: Convert to fraction form
    2,752.90/3,799.01 = 1,574/x
  3. Step 3: Cross multiply
    2,752.90x = 3,799.01 × 1,574
  4. Step 4: Simplify right side
    2,752.90x = 5,979,641.74
  5. Step 5: Solve for x
    x = 5,979,641.74/2,752.90
  6. Step 6: Final answer
    x = 2,172.12

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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.