Home / 2,403.90-3,603.42-1,305.99

Finding the Fourth Proportional to 2,403.90, 3,603.42 and 1,305.99

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Solution

The fourth proportional to 2,403.90, 3,603.42 and 1,305.99 is: 1,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.90 : 3,603.42 = 1,305.99 : x
  2. Step 2: Convert to fraction form
    2,403.90/3,603.42 = 1,305.99/x
  3. Step 3: Cross multiply
    2,403.90x = 3,603.42 × 1,305.99
  4. Step 4: Simplify right side
    2,403.90x = 4,706,030.49
  5. Step 5: Solve for x
    x = 4,706,030.49/2,403.90
  6. Step 6: Final answer
    x = 1,957.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.