Home / 2,398.56-3,309.66-1,403.46

Finding the Fourth Proportional to 2,398.56, 3,309.66 and 1,403.46

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Solution

The fourth proportional to 2,398.56, 3,309.66 and 1,403.46 is: 1,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.56 : 3,309.66 = 1,403.46 : x
  2. Step 2: Convert to fraction form
    2,398.56/3,309.66 = 1,403.46/x
  3. Step 3: Cross multiply
    2,398.56x = 3,309.66 × 1,403.46
  4. Step 4: Simplify right side
    2,398.56x = 4,644,975.42
  5. Step 5: Solve for x
    x = 4,644,975.42/2,398.56
  6. Step 6: Final answer
    x = 1,936.57

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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.