Home / 1,640.46-2,263.95-1,052.34

Finding the Fourth Proportional to 1,640.46, 2,263.95 and 1,052.34

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Solution

The fourth proportional to 1,640.46, 2,263.95 and 1,052.34 is: 1,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640.46 : 2,263.95 = 1,052.34 : x
  2. Step 2: Convert to fraction form
    1,640.46/2,263.95 = 1,052.34/x
  3. Step 3: Cross multiply
    1,640.46x = 2,263.95 × 1,052.34
  4. Step 4: Simplify right side
    1,640.46x = 2,382,445.14
  5. Step 5: Solve for x
    x = 2,382,445.14/1,640.46
  6. Step 6: Final answer
    x = 1,452.30

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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.