Home / 1,771.92-2,445.48-1,073.52

Finding the Fourth Proportional to 1,771.92, 2,445.48 and 1,073.52

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Solution

The fourth proportional to 1,771.92, 2,445.48 and 1,073.52 is: 1,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.92 : 2,445.48 = 1,073.52 : x
  2. Step 2: Convert to fraction form
    1,771.92/2,445.48 = 1,073.52/x
  3. Step 3: Cross multiply
    1,771.92x = 2,445.48 × 1,073.52
  4. Step 4: Simplify right side
    1,771.92x = 2,625,271.69
  5. Step 5: Solve for x
    x = 2,625,271.69/1,771.92
  6. Step 6: Final answer
    x = 1,481.60

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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.