Home / 2,403.11-3,315.08-1,407.74

Finding the Fourth Proportional to 2,403.11, 3,315.08 and 1,407.74

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Solution

The fourth proportional to 2,403.11, 3,315.08 and 1,407.74 is: 1,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.11 : 3,315.08 = 1,407.74 : x
  2. Step 2: Convert to fraction form
    2,403.11/3,315.08 = 1,407.74/x
  3. Step 3: Cross multiply
    2,403.11x = 3,315.08 × 1,407.74
  4. Step 4: Simplify right side
    2,403.11x = 4,666,770.72
  5. Step 5: Solve for x
    x = 4,666,770.72/2,403.11
  6. Step 6: Final answer
    x = 1,941.97

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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.