Home / 3,502.09-5,249.89-1,312.26

Finding the Fourth Proportional to 3,502.09, 5,249.89 and 1,312.26

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Solution

The fourth proportional to 3,502.09, 5,249.89 and 1,312.26 is: 1,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.09 : 5,249.89 = 1,312.26 : x
  2. Step 2: Convert to fraction form
    3,502.09/5,249.89 = 1,312.26/x
  3. Step 3: Cross multiply
    3,502.09x = 5,249.89 × 1,312.26
  4. Step 4: Simplify right side
    3,502.09x = 6,889,220.65
  5. Step 5: Solve for x
    x = 6,889,220.65/3,502.09
  6. Step 6: Final answer
    x = 1,967.17

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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.