Home / 1,816.46-2,508.12-1,396.14

Finding the Fourth Proportional to 1,816.46, 2,508.12 and 1,396.14

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Solution

The fourth proportional to 1,816.46, 2,508.12 and 1,396.14 is: 1,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.46 : 2,508.12 = 1,396.14 : x
  2. Step 2: Convert to fraction form
    1,816.46/2,508.12 = 1,396.14/x
  3. Step 3: Cross multiply
    1,816.46x = 2,508.12 × 1,396.14
  4. Step 4: Simplify right side
    1,816.46x = 3,501,686.66
  5. Step 5: Solve for x
    x = 3,501,686.66/1,816.46
  6. Step 6: Final answer
    x = 1,927.75

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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.