Home / 2,948.86-4,069.24-1,622.49

Finding the Fourth Proportional to 2,948.86, 4,069.24 and 1,622.49

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Solution

The fourth proportional to 2,948.86, 4,069.24 and 1,622.49 is: 2,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.86 : 4,069.24 = 1,622.49 : x
  2. Step 2: Convert to fraction form
    2,948.86/4,069.24 = 1,622.49/x
  3. Step 3: Cross multiply
    2,948.86x = 4,069.24 × 1,622.49
  4. Step 4: Simplify right side
    2,948.86x = 6,602,301.21
  5. Step 5: Solve for x
    x = 6,602,301.21/2,948.86
  6. Step 6: Final answer
    x = 2,238.93

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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.