Home / 2,948.06-4,068.43-1,621.87

Finding the Fourth Proportional to 2,948.06, 4,068.43 and 1,621.87

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Solution

The fourth proportional to 2,948.06, 4,068.43 and 1,621.87 is: 2,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.06 : 4,068.43 = 1,621.87 : x
  2. Step 2: Convert to fraction form
    2,948.06/4,068.43 = 1,621.87/x
  3. Step 3: Cross multiply
    2,948.06x = 4,068.43 × 1,621.87
  4. Step 4: Simplify right side
    2,948.06x = 6,598,444.22
  5. Step 5: Solve for x
    x = 6,598,444.22/2,948.06
  6. Step 6: Final answer
    x = 2,238.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.