Home / 2,772.90-4,159.38-1,604.70

Finding the Fourth Proportional to 2,772.90, 4,159.38 and 1,604.70

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Solution

The fourth proportional to 2,772.90, 4,159.38 and 1,604.70 is: 2,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.90 : 4,159.38 = 1,604.70 : x
  2. Step 2: Convert to fraction form
    2,772.90/4,159.38 = 1,604.70/x
  3. Step 3: Cross multiply
    2,772.90x = 4,159.38 × 1,604.70
  4. Step 4: Simplify right side
    2,772.90x = 6,674,557.09
  5. Step 5: Solve for x
    x = 6,674,557.09/2,772.90
  6. Step 6: Final answer
    x = 2,407.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.