Home / 3,510.18-5,265.26-1,429.70

Finding the Fourth Proportional to 3,510.18, 5,265.26 and 1,429.70

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Solution

The fourth proportional to 3,510.18, 5,265.26 and 1,429.70 is: 2,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.18 : 5,265.26 = 1,429.70 : x
  2. Step 2: Convert to fraction form
    3,510.18/5,265.26 = 1,429.70/x
  3. Step 3: Cross multiply
    3,510.18x = 5,265.26 × 1,429.70
  4. Step 4: Simplify right side
    3,510.18x = 7,527,708.75
  5. Step 5: Solve for x
    x = 7,527,708.75/3,510.18
  6. Step 6: Final answer
    x = 2,144.54

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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.