Home / 1,777.90-2,454.54-1,180.57

Finding the Fourth Proportional to 1,777.90, 2,454.54 and 1,180.57

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Solution

The fourth proportional to 1,777.90, 2,454.54 and 1,180.57 is: 1,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.90 : 2,454.54 = 1,180.57 : x
  2. Step 2: Convert to fraction form
    1,777.90/2,454.54 = 1,180.57/x
  3. Step 3: Cross multiply
    1,777.90x = 2,454.54 × 1,180.57
  4. Step 4: Simplify right side
    1,777.90x = 2,897,756.29
  5. Step 5: Solve for x
    x = 2,897,756.29/1,777.90
  6. Step 6: Final answer
    x = 1,629.88

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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.