Home / 2,680.08-3,698.50-1,501.20

Finding the Fourth Proportional to 2,680.08, 3,698.50 and 1,501.20

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Solution

The fourth proportional to 2,680.08, 3,698.50 and 1,501.20 is: 2,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.08 : 3,698.50 = 1,501.20 : x
  2. Step 2: Convert to fraction form
    2,680.08/3,698.50 = 1,501.20/x
  3. Step 3: Cross multiply
    2,680.08x = 3,698.50 × 1,501.20
  4. Step 4: Simplify right side
    2,680.08x = 5,552,188.20
  5. Step 5: Solve for x
    x = 5,552,188.20/2,680.08
  6. Step 6: Final answer
    x = 2,071.65

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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.