Home / 2,313.12-3,195.32-2,064.36

Finding the Fourth Proportional to 2,313.12, 3,195.32 and 2,064.36

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Solution

The fourth proportional to 2,313.12, 3,195.32 and 2,064.36 is: 2,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.12 : 3,195.32 = 2,064.36 : x
  2. Step 2: Convert to fraction form
    2,313.12/3,195.32 = 2,064.36/x
  3. Step 3: Cross multiply
    2,313.12x = 3,195.32 × 2,064.36
  4. Step 4: Simplify right side
    2,313.12x = 6,596,290.80
  5. Step 5: Solve for x
    x = 6,596,290.80/2,313.12
  6. Step 6: Final answer
    x = 2,851.69

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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.