Home / 3,342.36-4,603.32-3,138.24

Finding the Fourth Proportional to 3,342.36, 4,603.32 and 3,138.24

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Solution

The fourth proportional to 3,342.36, 4,603.32 and 3,138.24 is: 4,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.36 : 4,603.32 = 3,138.24 : x
  2. Step 2: Convert to fraction form
    3,342.36/4,603.32 = 3,138.24/x
  3. Step 3: Cross multiply
    3,342.36x = 4,603.32 × 3,138.24
  4. Step 4: Simplify right side
    3,342.36x = 14,446,322.96
  5. Step 5: Solve for x
    x = 14,446,322.96/3,342.36
  6. Step 6: Final answer
    x = 4,322.19

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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.