Home / 2,389.32-3,297.26-1,505.14

Finding the Fourth Proportional to 2,389.32, 3,297.26 and 1,505.14

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Solution

The fourth proportional to 2,389.32, 3,297.26 and 1,505.14 is: 2,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.32 : 3,297.26 = 1,505.14 : x
  2. Step 2: Convert to fraction form
    2,389.32/3,297.26 = 1,505.14/x
  3. Step 3: Cross multiply
    2,389.32x = 3,297.26 × 1,505.14
  4. Step 4: Simplify right side
    2,389.32x = 4,962,837.92
  5. Step 5: Solve for x
    x = 4,962,837.92/2,389.32
  6. Step 6: Final answer
    x = 2,077.09

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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.