Home / 1,627.57-2,246.42-1,059.40

Finding the Fourth Proportional to 1,627.57, 2,246.42 and 1,059.40

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Solution

The fourth proportional to 1,627.57, 2,246.42 and 1,059.40 is: 1,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.57 : 2,246.42 = 1,059.40 : x
  2. Step 2: Convert to fraction form
    1,627.57/2,246.42 = 1,059.40/x
  3. Step 3: Cross multiply
    1,627.57x = 2,246.42 × 1,059.40
  4. Step 4: Simplify right side
    1,627.57x = 2,379,856.85
  5. Step 5: Solve for x
    x = 2,379,856.85/1,627.57
  6. Step 6: Final answer
    x = 1,462.21

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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.