Home / 2,947.23-4,419.43-1,714.92

Finding the Fourth Proportional to 2,947.23, 4,419.43 and 1,714.92

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Solution

The fourth proportional to 2,947.23, 4,419.43 and 1,714.92 is: 2,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.23 : 4,419.43 = 1,714.92 : x
  2. Step 2: Convert to fraction form
    2,947.23/4,419.43 = 1,714.92/x
  3. Step 3: Cross multiply
    2,947.23x = 4,419.43 × 1,714.92
  4. Step 4: Simplify right side
    2,947.23x = 7,578,968.90
  5. Step 5: Solve for x
    x = 7,578,968.90/2,947.23
  6. Step 6: Final answer
    x = 2,571.55

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1.5x scale

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.