Home / 2,948.60-4,069.10-1,622.31

Finding the Fourth Proportional to 2,948.60, 4,069.10 and 1,622.31

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Solution

The fourth proportional to 2,948.60, 4,069.10 and 1,622.31 is: 2,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.60 : 4,069.10 = 1,622.31 : x
  2. Step 2: Convert to fraction form
    2,948.60/4,069.10 = 1,622.31/x
  3. Step 3: Cross multiply
    2,948.60x = 4,069.10 × 1,622.31
  4. Step 4: Simplify right side
    2,948.60x = 6,601,333.51
  5. Step 5: Solve for x
    x = 6,601,333.51/2,948.60
  6. Step 6: Final answer
    x = 2,238.81

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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.