Home / 3,136.24-4,323.78-2,603.08

Finding the Fourth Proportional to 3,136.24, 4,323.78 and 2,603.08

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Solution

The fourth proportional to 3,136.24, 4,323.78 and 2,603.08 is: 3,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.24 : 4,323.78 = 2,603.08 : x
  2. Step 2: Convert to fraction form
    3,136.24/4,323.78 = 2,603.08/x
  3. Step 3: Cross multiply
    3,136.24x = 4,323.78 × 2,603.08
  4. Step 4: Simplify right side
    3,136.24x = 11,255,145.24
  5. Step 5: Solve for x
    x = 11,255,145.24/3,136.24
  6. Step 6: Final answer
    x = 3,588.74

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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.