Home / 2,603.07-3,909.98-2,490.79

Finding the Fourth Proportional to 2,603.07, 3,909.98 and 2,490.79

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Solution

The fourth proportional to 2,603.07, 3,909.98 and 2,490.79 is: 3,741.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.07 : 3,909.98 = 2,490.79 : x
  2. Step 2: Convert to fraction form
    2,603.07/3,909.98 = 2,490.79/x
  3. Step 3: Cross multiply
    2,603.07x = 3,909.98 × 2,490.79
  4. Step 4: Simplify right side
    2,603.07x = 9,738,939.08
  5. Step 5: Solve for x
    x = 9,738,939.08/2,603.07
  6. Step 6: Final answer
    x = 3,741.33

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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.