Home / 2,390.97-3,300.03-1,506.18

Finding the Fourth Proportional to 2,390.97, 3,300.03 and 1,506.18

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Solution

The fourth proportional to 2,390.97, 3,300.03 and 1,506.18 is: 2,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.97 : 3,300.03 = 1,506.18 : x
  2. Step 2: Convert to fraction form
    2,390.97/3,300.03 = 1,506.18/x
  3. Step 3: Cross multiply
    2,390.97x = 3,300.03 × 1,506.18
  4. Step 4: Simplify right side
    2,390.97x = 4,970,439.19
  5. Step 5: Solve for x
    x = 4,970,439.19/2,390.97
  6. Step 6: Final answer
    x = 2,078.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.