Home / 2,948.55-4,068.97-1,622.26

Finding the Fourth Proportional to 2,948.55, 4,068.97 and 1,622.26

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Solution

The fourth proportional to 2,948.55, 4,068.97 and 1,622.26 is: 2,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.55 : 4,068.97 = 1,622.26 : x
  2. Step 2: Convert to fraction form
    2,948.55/4,068.97 = 1,622.26/x
  3. Step 3: Cross multiply
    2,948.55x = 4,068.97 × 1,622.26
  4. Step 4: Simplify right side
    2,948.55x = 6,600,921.16
  5. Step 5: Solve for x
    x = 6,600,921.16/2,948.55
  6. Step 6: Final answer
    x = 2,238.70

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1.5x scale

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.