Home / 2,349.48-3,238.98-1,685.22

Finding the Fourth Proportional to 2,349.48, 3,238.98 and 1,685.22

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Solution

The fourth proportional to 2,349.48, 3,238.98 and 1,685.22 is: 2,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.48 : 3,238.98 = 1,685.22 : x
  2. Step 2: Convert to fraction form
    2,349.48/3,238.98 = 1,685.22/x
  3. Step 3: Cross multiply
    2,349.48x = 3,238.98 × 1,685.22
  4. Step 4: Simplify right side
    2,349.48x = 5,458,393.88
  5. Step 5: Solve for x
    x = 5,458,393.88/2,349.48
  6. Step 6: Final answer
    x = 2,323.23

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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.