Home / 2,948.72-4,069.22-1,622.51

Finding the Fourth Proportional to 2,948.72, 4,069.22 and 1,622.51

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Solution

The fourth proportional to 2,948.72, 4,069.22 and 1,622.51 is: 2,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.72 : 4,069.22 = 1,622.51 : x
  2. Step 2: Convert to fraction form
    2,948.72/4,069.22 = 1,622.51/x
  3. Step 3: Cross multiply
    2,948.72x = 4,069.22 × 1,622.51
  4. Step 4: Simplify right side
    2,948.72x = 6,602,329.80
  5. Step 5: Solve for x
    x = 6,602,329.80/2,948.72
  6. Step 6: Final answer
    x = 2,239.05

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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.