Home / 2,403.41-3,315.53-1,871.35

Finding the Fourth Proportional to 2,403.41, 3,315.53 and 1,871.35

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Solution

The fourth proportional to 2,403.41, 3,315.53 and 1,871.35 is: 2,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.41 : 3,315.53 = 1,871.35 : x
  2. Step 2: Convert to fraction form
    2,403.41/3,315.53 = 1,871.35/x
  3. Step 3: Cross multiply
    2,403.41x = 3,315.53 × 1,871.35
  4. Step 4: Simplify right side
    2,403.41x = 6,204,499.42
  5. Step 5: Solve for x
    x = 6,204,499.42/2,403.41
  6. Step 6: Final answer
    x = 2,581.54

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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.