Home / 1,850.07-2,775.12-1,542.15

Finding the Fourth Proportional to 1,850.07, 2,775.12 and 1,542.15

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Solution

The fourth proportional to 1,850.07, 2,775.12 and 1,542.15 is: 2,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.07 : 2,775.12 = 1,542.15 : x
  2. Step 2: Convert to fraction form
    1,850.07/2,775.12 = 1,542.15/x
  3. Step 3: Cross multiply
    1,850.07x = 2,775.12 × 1,542.15
  4. Step 4: Simplify right side
    1,850.07x = 4,279,651.31
  5. Step 5: Solve for x
    x = 4,279,651.31/1,850.07
  6. Step 6: Final answer
    x = 2,313.24

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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.