Home / 2,948.58-4,069.29-1,622.55

Finding the Fourth Proportional to 2,948.58, 4,069.29 and 1,622.55

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Solution

The fourth proportional to 2,948.58, 4,069.29 and 1,622.55 is: 2,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.58 : 4,069.29 = 1,622.55 : x
  2. Step 2: Convert to fraction form
    2,948.58/4,069.29 = 1,622.55/x
  3. Step 3: Cross multiply
    2,948.58x = 4,069.29 × 1,622.55
  4. Step 4: Simplify right side
    2,948.58x = 6,602,626.49
  5. Step 5: Solve for x
    x = 6,602,626.49/2,948.58
  6. Step 6: Final answer
    x = 2,239.26

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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.