Home / 2,403.10-3,320.40-1,910.08

Finding the Fourth Proportional to 2,403.10, 3,320.40 and 1,910.08

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Solution

The fourth proportional to 2,403.10, 3,320.40 and 1,910.08 is: 2,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.10 : 3,320.40 = 1,910.08 : x
  2. Step 2: Convert to fraction form
    2,403.10/3,320.40 = 1,910.08/x
  3. Step 3: Cross multiply
    2,403.10x = 3,320.40 × 1,910.08
  4. Step 4: Simplify right side
    2,403.10x = 6,342,229.63
  5. Step 5: Solve for x
    x = 6,342,229.63/2,403.10
  6. Step 6: Final answer
    x = 2,639.19

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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.