Home / 2,247.36-3,099.33-1,408.15

Finding the Fourth Proportional to 2,247.36, 3,099.33 and 1,408.15

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Solution

The fourth proportional to 2,247.36, 3,099.33 and 1,408.15 is: 1,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.36 : 3,099.33 = 1,408.15 : x
  2. Step 2: Convert to fraction form
    2,247.36/3,099.33 = 1,408.15/x
  3. Step 3: Cross multiply
    2,247.36x = 3,099.33 × 1,408.15
  4. Step 4: Simplify right side
    2,247.36x = 4,364,322.24
  5. Step 5: Solve for x
    x = 4,364,322.24/2,247.36
  6. Step 6: Final answer
    x = 1,941.98

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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.