Home / 1,652.87-2,478.83-1,132.78

Finding the Fourth Proportional to 1,652.87, 2,478.83 and 1,132.78

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Solution

The fourth proportional to 1,652.87, 2,478.83 and 1,132.78 is: 1,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.87 : 2,478.83 = 1,132.78 : x
  2. Step 2: Convert to fraction form
    1,652.87/2,478.83 = 1,132.78/x
  3. Step 3: Cross multiply
    1,652.87x = 2,478.83 × 1,132.78
  4. Step 4: Simplify right side
    1,652.87x = 2,807,969.05
  5. Step 5: Solve for x
    x = 2,807,969.05/1,652.87
  6. Step 6: Final answer
    x = 1,698.84

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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.