Home / 3,528.51-5,292.96-931.38

Finding the Fourth Proportional to 3,528.51, 5,292.96 and 931.38

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Solution

The fourth proportional to 3,528.51, 5,292.96 and 931.38 is: 1,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.51 : 5,292.96 = 931.38 : x
  2. Step 2: Convert to fraction form
    3,528.51/5,292.96 = 931.38/x
  3. Step 3: Cross multiply
    3,528.51x = 5,292.96 × 931.38
  4. Step 4: Simplify right side
    3,528.51x = 4,929,757.08
  5. Step 5: Solve for x
    x = 4,929,757.08/3,528.51
  6. Step 6: Final answer
    x = 1,397.12

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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.