Home / 3,317.99-4,977.44-1,126.13

Finding the Fourth Proportional to 3,317.99, 4,977.44 and 1,126.13

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Solution

The fourth proportional to 3,317.99, 4,977.44 and 1,126.13 is: 1,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.99 : 4,977.44 = 1,126.13 : x
  2. Step 2: Convert to fraction form
    3,317.99/4,977.44 = 1,126.13/x
  3. Step 3: Cross multiply
    3,317.99x = 4,977.44 × 1,126.13
  4. Step 4: Simplify right side
    3,317.99x = 5,605,213.99
  5. Step 5: Solve for x
    x = 5,605,213.99/3,317.99
  6. Step 6: Final answer
    x = 1,689.34

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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.