Home / 3,512.03-5,268.80-1,047.05

Finding the Fourth Proportional to 3,512.03, 5,268.80 and 1,047.05

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Solution

The fourth proportional to 3,512.03, 5,268.80 and 1,047.05 is: 1,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.03 : 5,268.80 = 1,047.05 : x
  2. Step 2: Convert to fraction form
    3,512.03/5,268.80 = 1,047.05/x
  3. Step 3: Cross multiply
    3,512.03x = 5,268.80 × 1,047.05
  4. Step 4: Simplify right side
    3,512.03x = 5,516,697.04
  5. Step 5: Solve for x
    x = 5,516,697.04/3,512.03
  6. Step 6: Final answer
    x = 1,570.80

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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.