Home / 2,680.58-4,020.52-1,509.83

Finding the Fourth Proportional to 2,680.58, 4,020.52 and 1,509.83

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Solution

The fourth proportional to 2,680.58, 4,020.52 and 1,509.83 is: 2,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.58 : 4,020.52 = 1,509.83 : x
  2. Step 2: Convert to fraction form
    2,680.58/4,020.52 = 1,509.83/x
  3. Step 3: Cross multiply
    2,680.58x = 4,020.52 × 1,509.83
  4. Step 4: Simplify right side
    2,680.58x = 6,070,301.71
  5. Step 5: Solve for x
    x = 6,070,301.71/2,680.58
  6. Step 6: Final answer
    x = 2,264.55

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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.