Home / 2,603.14-3,591.74-1,555

Finding the Fourth Proportional to 2,603.14, 3,591.74 and 1,555

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Solution

The fourth proportional to 2,603.14, 3,591.74 and 1,555 is: 2,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.14 : 3,591.74 = 1,555 : x
  2. Step 2: Convert to fraction form
    2,603.14/3,591.74 = 1,555/x
  3. Step 3: Cross multiply
    2,603.14x = 3,591.74 × 1,555
  4. Step 4: Simplify right side
    2,603.14x = 5,585,155.70
  5. Step 5: Solve for x
    x = 5,585,155.70/2,603.14
  6. Step 6: Final answer
    x = 2,145.55

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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.