Home / 1,622.90-2,240.34-1,034.23

Finding the Fourth Proportional to 1,622.90, 2,240.34 and 1,034.23

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Solution

The fourth proportional to 1,622.90, 2,240.34 and 1,034.23 is: 1,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.90 : 2,240.34 = 1,034.23 : x
  2. Step 2: Convert to fraction form
    1,622.90/2,240.34 = 1,034.23/x
  3. Step 3: Cross multiply
    1,622.90x = 2,240.34 × 1,034.23
  4. Step 4: Simplify right side
    1,622.90x = 2,317,026.84
  5. Step 5: Solve for x
    x = 2,317,026.84/1,622.90
  6. Step 6: Final answer
    x = 1,427.71

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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.