Home / 2,603.24-3,591.94-1,555.08

Finding the Fourth Proportional to 2,603.24, 3,591.94 and 1,555.08

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Solution

The fourth proportional to 2,603.24, 3,591.94 and 1,555.08 is: 2,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.24 : 3,591.94 = 1,555.08 : x
  2. Step 2: Convert to fraction form
    2,603.24/3,591.94 = 1,555.08/x
  3. Step 3: Cross multiply
    2,603.24x = 3,591.94 × 1,555.08
  4. Step 4: Simplify right side
    2,603.24x = 5,585,754.06
  5. Step 5: Solve for x
    x = 5,585,754.06/2,603.24
  6. Step 6: Final answer
    x = 2,145.69

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1.5x scale

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.