Home / 1,510.03-2,265.06-414.40

Finding the Fourth Proportional to 1,510.03, 2,265.06 and 414.40

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Solution

The fourth proportional to 1,510.03, 2,265.06 and 414.40 is: 621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.03 : 2,265.06 = 414.40 : x
  2. Step 2: Convert to fraction form
    1,510.03/2,265.06 = 414.40/x
  3. Step 3: Cross multiply
    1,510.03x = 2,265.06 × 414.40
  4. Step 4: Simplify right side
    1,510.03x = 938,640.86
  5. Step 5: Solve for x
    x = 938,640.86/1,510.03
  6. Step 6: Final answer
    x = 621.60

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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.