Home / 1,878.60-2,592.66-1,132.80

Finding the Fourth Proportional to 1,878.60, 2,592.66 and 1,132.80

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Solution

The fourth proportional to 1,878.60, 2,592.66 and 1,132.80 is: 1,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.60 : 2,592.66 = 1,132.80 : x
  2. Step 2: Convert to fraction form
    1,878.60/2,592.66 = 1,132.80/x
  3. Step 3: Cross multiply
    1,878.60x = 2,592.66 × 1,132.80
  4. Step 4: Simplify right side
    1,878.60x = 2,936,965.25
  5. Step 5: Solve for x
    x = 2,936,965.25/1,878.60
  6. Step 6: Final answer
    x = 1,563.38

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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.