Home / 1,510.45-2,265.27-414.56

Finding the Fourth Proportional to 1,510.45, 2,265.27 and 414.56

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Solution

The fourth proportional to 1,510.45, 2,265.27 and 414.56 is: 621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.45 : 2,265.27 = 414.56 : x
  2. Step 2: Convert to fraction form
    1,510.45/2,265.27 = 414.56/x
  3. Step 3: Cross multiply
    1,510.45x = 2,265.27 × 414.56
  4. Step 4: Simplify right side
    1,510.45x = 939,076.93
  5. Step 5: Solve for x
    x = 939,076.93/1,510.45
  6. Step 6: Final answer
    x = 621.72

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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.