Home / 3,528.72-5,294.16-1,448.87

Finding the Fourth Proportional to 3,528.72, 5,294.16 and 1,448.87

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Solution

The fourth proportional to 3,528.72, 5,294.16 and 1,448.87 is: 2,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.72 : 5,294.16 = 1,448.87 : x
  2. Step 2: Convert to fraction form
    3,528.72/5,294.16 = 1,448.87/x
  3. Step 3: Cross multiply
    3,528.72x = 5,294.16 × 1,448.87
  4. Step 4: Simplify right side
    3,528.72x = 7,670,523.13
  5. Step 5: Solve for x
    x = 7,670,523.13/3,528.72
  6. Step 6: Final answer
    x = 2,173.74

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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.