Home / 1,510.17-2,264.99-414.34

Finding the Fourth Proportional to 1,510.17, 2,264.99 and 414.34

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Solution

The fourth proportional to 1,510.17, 2,264.99 and 414.34 is: 621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.17 : 2,264.99 = 414.34 : x
  2. Step 2: Convert to fraction form
    1,510.17/2,264.99 = 414.34/x
  3. Step 3: Cross multiply
    1,510.17x = 2,264.99 × 414.34
  4. Step 4: Simplify right side
    1,510.17x = 938,471.33
  5. Step 5: Solve for x
    x = 938,471.33/1,510.17
  6. Step 6: Final answer
    x = 621.43

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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.