Home / 2,363.12-3,261.24-1,315.08

Finding the Fourth Proportional to 2,363.12, 3,261.24 and 1,315.08

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Solution

The fourth proportional to 2,363.12, 3,261.24 and 1,315.08 is: 1,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.12 : 3,261.24 = 1,315.08 : x
  2. Step 2: Convert to fraction form
    2,363.12/3,261.24 = 1,315.08/x
  3. Step 3: Cross multiply
    2,363.12x = 3,261.24 × 1,315.08
  4. Step 4: Simplify right side
    2,363.12x = 4,288,791.50
  5. Step 5: Solve for x
    x = 4,288,791.50/2,363.12
  6. Step 6: Final answer
    x = 1,814.89

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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.