Home / 2,277.84-3,142.50-1,393.32

Finding the Fourth Proportional to 2,277.84, 3,142.50 and 1,393.32

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Solution

The fourth proportional to 2,277.84, 3,142.50 and 1,393.32 is: 1,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.84 : 3,142.50 = 1,393.32 : x
  2. Step 2: Convert to fraction form
    2,277.84/3,142.50 = 1,393.32/x
  3. Step 3: Cross multiply
    2,277.84x = 3,142.50 × 1,393.32
  4. Step 4: Simplify right side
    2,277.84x = 4,378,508.10
  5. Step 5: Solve for x
    x = 4,378,508.10/2,277.84
  6. Step 6: Final answer
    x = 1,922.22

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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.