Home / 2,282.07-3,148.98-1,338.32

Finding the Fourth Proportional to 2,282.07, 3,148.98 and 1,338.32

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Solution

The fourth proportional to 2,282.07, 3,148.98 and 1,338.32 is: 1,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.07 : 3,148.98 = 1,338.32 : x
  2. Step 2: Convert to fraction form
    2,282.07/3,148.98 = 1,338.32/x
  3. Step 3: Cross multiply
    2,282.07x = 3,148.98 × 1,338.32
  4. Step 4: Simplify right side
    2,282.07x = 4,214,345.77
  5. Step 5: Solve for x
    x = 4,214,345.77/2,282.07
  6. Step 6: Final answer
    x = 1,846.72

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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.