Home / 1,528.91-2,293.25-835.38

Finding the Fourth Proportional to 1,528.91, 2,293.25 and 835.38

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Solution

The fourth proportional to 1,528.91, 2,293.25 and 835.38 is: 1,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.91 : 2,293.25 = 835.38 : x
  2. Step 2: Convert to fraction form
    1,528.91/2,293.25 = 835.38/x
  3. Step 3: Cross multiply
    1,528.91x = 2,293.25 × 835.38
  4. Step 4: Simplify right side
    1,528.91x = 1,915,731.01
  5. Step 5: Solve for x
    x = 1,915,731.01/1,528.91
  6. Step 6: Final answer
    x = 1,253.01

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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.