Home / 2,948.03-4,068.13-1,621.86

Finding the Fourth Proportional to 2,948.03, 4,068.13 and 1,621.86

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Solution

The fourth proportional to 2,948.03, 4,068.13 and 1,621.86 is: 2,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.03 : 4,068.13 = 1,621.86 : x
  2. Step 2: Convert to fraction form
    2,948.03/4,068.13 = 1,621.86/x
  3. Step 3: Cross multiply
    2,948.03x = 4,068.13 × 1,621.86
  4. Step 4: Simplify right side
    2,948.03x = 6,597,937.32
  5. Step 5: Solve for x
    x = 6,597,937.32/2,948.03
  6. Step 6: Final answer
    x = 2,238.08

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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.