Home / 1,627.16-2,440.68-1,304.58

Finding the Fourth Proportional to 1,627.16, 2,440.68 and 1,304.58

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Solution

The fourth proportional to 1,627.16, 2,440.68 and 1,304.58 is: 1,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.16 : 2,440.68 = 1,304.58 : x
  2. Step 2: Convert to fraction form
    1,627.16/2,440.68 = 1,304.58/x
  3. Step 3: Cross multiply
    1,627.16x = 2,440.68 × 1,304.58
  4. Step 4: Simplify right side
    1,627.16x = 3,184,062.31
  5. Step 5: Solve for x
    x = 3,184,062.31/1,627.16
  6. Step 6: Final answer
    x = 1,956.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.