Home / 2,652.48-3,976.56-1,787.04

Finding the Fourth Proportional to 2,652.48, 3,976.56 and 1,787.04

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Solution

The fourth proportional to 2,652.48, 3,976.56 and 1,787.04 is: 2,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.48 : 3,976.56 = 1,787.04 : x
  2. Step 2: Convert to fraction form
    2,652.48/3,976.56 = 1,787.04/x
  3. Step 3: Cross multiply
    2,652.48x = 3,976.56 × 1,787.04
  4. Step 4: Simplify right side
    2,652.48x = 7,106,271.78
  5. Step 5: Solve for x
    x = 7,106,271.78/2,652.48
  6. Step 6: Final answer
    x = 2,679.10

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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.