Home / 2,750.13-4,125.24-802.35

Finding the Fourth Proportional to 2,750.13, 4,125.24 and 802.35

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Solution

The fourth proportional to 2,750.13, 4,125.24 and 802.35 is: 1,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.13 : 4,125.24 = 802.35 : x
  2. Step 2: Convert to fraction form
    2,750.13/4,125.24 = 802.35/x
  3. Step 3: Cross multiply
    2,750.13x = 4,125.24 × 802.35
  4. Step 4: Simplify right side
    2,750.13x = 3,309,886.31
  5. Step 5: Solve for x
    x = 3,309,886.31/2,750.13
  6. Step 6: Final answer
    x = 1,203.54

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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.