Home / 2,948.67-4,069-1,622.16

Finding the Fourth Proportional to 2,948.67, 4,069 and 1,622.16

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Solution

The fourth proportional to 2,948.67, 4,069 and 1,622.16 is: 2,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.67 : 4,069 = 1,622.16 : x
  2. Step 2: Convert to fraction form
    2,948.67/4,069 = 1,622.16/x
  3. Step 3: Cross multiply
    2,948.67x = 4,069 × 1,622.16
  4. Step 4: Simplify right side
    2,948.67x = 6,600,569.04
  5. Step 5: Solve for x
    x = 6,600,569.04/2,948.67
  6. Step 6: Final answer
    x = 2,238.49

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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.