Home / 2,819.02-4,225.56-1,355.08

Finding the Fourth Proportional to 2,819.02, 4,225.56 and 1,355.08

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Solution

The fourth proportional to 2,819.02, 4,225.56 and 1,355.08 is: 2,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.02 : 4,225.56 = 1,355.08 : x
  2. Step 2: Convert to fraction form
    2,819.02/4,225.56 = 1,355.08/x
  3. Step 3: Cross multiply
    2,819.02x = 4,225.56 × 1,355.08
  4. Step 4: Simplify right side
    2,819.02x = 5,725,971.84
  5. Step 5: Solve for x
    x = 5,725,971.84/2,819.02
  6. Step 6: Final answer
    x = 2,031.19

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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.