Home / 3,749.10-5,616.63-3,136.74

Finding the Fourth Proportional to 3,749.10, 5,616.63 and 3,136.74

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Solution

The fourth proportional to 3,749.10, 5,616.63 and 3,136.74 is: 4,699.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.10 : 5,616.63 = 3,136.74 : x
  2. Step 2: Convert to fraction form
    3,749.10/5,616.63 = 3,136.74/x
  3. Step 3: Cross multiply
    3,749.10x = 5,616.63 × 3,136.74
  4. Step 4: Simplify right side
    3,749.10x = 17,617,907.99
  5. Step 5: Solve for x
    x = 17,617,907.99/3,749.10
  6. Step 6: Final answer
    x = 4,699.24

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1.5x scale

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.