Home / 2,297.65-3,170.85-1,303.12

Finding the Fourth Proportional to 2,297.65, 3,170.85 and 1,303.12

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Solution

The fourth proportional to 2,297.65, 3,170.85 and 1,303.12 is: 1,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.65 : 3,170.85 = 1,303.12 : x
  2. Step 2: Convert to fraction form
    2,297.65/3,170.85 = 1,303.12/x
  3. Step 3: Cross multiply
    2,297.65x = 3,170.85 × 1,303.12
  4. Step 4: Simplify right side
    2,297.65x = 4,131,997.13
  5. Step 5: Solve for x
    x = 4,131,997.13/2,297.65
  6. Step 6: Final answer
    x = 1,798.36

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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.