Home / 2,547.76-3,819.48-1,571.68

Finding the Fourth Proportional to 2,547.76, 3,819.48 and 1,571.68

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Solution

The fourth proportional to 2,547.76, 3,819.48 and 1,571.68 is: 2,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.76 : 3,819.48 = 1,571.68 : x
  2. Step 2: Convert to fraction form
    2,547.76/3,819.48 = 1,571.68/x
  3. Step 3: Cross multiply
    2,547.76x = 3,819.48 × 1,571.68
  4. Step 4: Simplify right side
    2,547.76x = 6,003,000.33
  5. Step 5: Solve for x
    x = 6,003,000.33/2,547.76
  6. Step 6: Final answer
    x = 2,356.19

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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.