Home / 2,516.93-3,473.21-1,397.84

Finding the Fourth Proportional to 2,516.93, 3,473.21 and 1,397.84

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Solution

The fourth proportional to 2,516.93, 3,473.21 and 1,397.84 is: 1,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.93 : 3,473.21 = 1,397.84 : x
  2. Step 2: Convert to fraction form
    2,516.93/3,473.21 = 1,397.84/x
  3. Step 3: Cross multiply
    2,516.93x = 3,473.21 × 1,397.84
  4. Step 4: Simplify right side
    2,516.93x = 4,854,974.50
  5. Step 5: Solve for x
    x = 4,854,974.50/2,516.93
  6. Step 6: Final answer
    x = 1,928.93

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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.