Home / 3,510.08-5,265.85-1,430.09

Finding the Fourth Proportional to 3,510.08, 5,265.85 and 1,430.09

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Solution

The fourth proportional to 3,510.08, 5,265.85 and 1,430.09 is: 2,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.08 : 5,265.85 = 1,430.09 : x
  2. Step 2: Convert to fraction form
    3,510.08/5,265.85 = 1,430.09/x
  3. Step 3: Cross multiply
    3,510.08x = 5,265.85 × 1,430.09
  4. Step 4: Simplify right side
    3,510.08x = 7,530,609.52
  5. Step 5: Solve for x
    x = 7,530,609.52/3,510.08
  6. Step 6: Final answer
    x = 2,145.42

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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.