Home / 2,370.42-3,271.19-1,322.55

Finding the Fourth Proportional to 2,370.42, 3,271.19 and 1,322.55

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Solution

The fourth proportional to 2,370.42, 3,271.19 and 1,322.55 is: 1,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.42 : 3,271.19 = 1,322.55 : x
  2. Step 2: Convert to fraction form
    2,370.42/3,271.19 = 1,322.55/x
  3. Step 3: Cross multiply
    2,370.42x = 3,271.19 × 1,322.55
  4. Step 4: Simplify right side
    2,370.42x = 4,326,305.72
  5. Step 5: Solve for x
    x = 4,326,305.72/2,370.42
  6. Step 6: Final answer
    x = 1,825.12

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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.