Home / 3,015.09-4,522.59-1,553.40

Finding the Fourth Proportional to 3,015.09, 4,522.59 and 1,553.40

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Solution

The fourth proportional to 3,015.09, 4,522.59 and 1,553.40 is: 2,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.09 : 4,522.59 = 1,553.40 : x
  2. Step 2: Convert to fraction form
    3,015.09/4,522.59 = 1,553.40/x
  3. Step 3: Cross multiply
    3,015.09x = 4,522.59 × 1,553.40
  4. Step 4: Simplify right side
    3,015.09x = 7,025,391.31
  5. Step 5: Solve for x
    x = 7,025,391.31/3,015.09
  6. Step 6: Final answer
    x = 2,330.08

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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.