Home / 3,135.48-4,327.06-1,738.36

Finding the Fourth Proportional to 3,135.48, 4,327.06 and 1,738.36

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Solution

The fourth proportional to 3,135.48, 4,327.06 and 1,738.36 is: 2,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.48 : 4,327.06 = 1,738.36 : x
  2. Step 2: Convert to fraction form
    3,135.48/4,327.06 = 1,738.36/x
  3. Step 3: Cross multiply
    3,135.48x = 4,327.06 × 1,738.36
  4. Step 4: Simplify right side
    3,135.48x = 7,521,988.02
  5. Step 5: Solve for x
    x = 7,521,988.02/3,135.48
  6. Step 6: Final answer
    x = 2,398.99

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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.