Home / 2,347.26-3,238.70-1,403.39

Finding the Fourth Proportional to 2,347.26, 3,238.70 and 1,403.39

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Solution

The fourth proportional to 2,347.26, 3,238.70 and 1,403.39 is: 1,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.26 : 3,238.70 = 1,403.39 : x
  2. Step 2: Convert to fraction form
    2,347.26/3,238.70 = 1,403.39/x
  3. Step 3: Cross multiply
    2,347.26x = 3,238.70 × 1,403.39
  4. Step 4: Simplify right side
    2,347.26x = 4,545,135.98
  5. Step 5: Solve for x
    x = 4,545,135.98/2,347.26
  6. Step 6: Final answer
    x = 1,936.36

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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.