Home / 1,817.14-2,508.12-1,521.94

Finding the Fourth Proportional to 1,817.14, 2,508.12 and 1,521.94

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Solution

The fourth proportional to 1,817.14, 2,508.12 and 1,521.94 is: 2,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.14 : 2,508.12 = 1,521.94 : x
  2. Step 2: Convert to fraction form
    1,817.14/2,508.12 = 1,521.94/x
  3. Step 3: Cross multiply
    1,817.14x = 2,508.12 × 1,521.94
  4. Step 4: Simplify right side
    1,817.14x = 3,817,208.15
  5. Step 5: Solve for x
    x = 3,817,208.15/1,817.14
  6. Step 6: Final answer
    x = 2,100.67

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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.