Home / 1,465.68-2,186.74-1,396.02

Finding the Fourth Proportional to 1,465.68, 2,186.74 and 1,396.02

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Solution

The fourth proportional to 1,465.68, 2,186.74 and 1,396.02 is: 2,082.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.68 : 2,186.74 = 1,396.02 : x
  2. Step 2: Convert to fraction form
    1,465.68/2,186.74 = 1,396.02/x
  3. Step 3: Cross multiply
    1,465.68x = 2,186.74 × 1,396.02
  4. Step 4: Simplify right side
    1,465.68x = 3,052,732.77
  5. Step 5: Solve for x
    x = 3,052,732.77/1,465.68
  6. Step 6: Final answer
    x = 2,082.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.