Home / 1,660.81-2,485.06-1,462.21

Finding the Fourth Proportional to 1,660.81, 2,485.06 and 1,462.21

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Solution

The fourth proportional to 1,660.81, 2,485.06 and 1,462.21 is: 2,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.81 : 2,485.06 = 1,462.21 : x
  2. Step 2: Convert to fraction form
    1,660.81/2,485.06 = 1,462.21/x
  3. Step 3: Cross multiply
    1,660.81x = 2,485.06 × 1,462.21
  4. Step 4: Simplify right side
    1,660.81x = 3,633,679.58
  5. Step 5: Solve for x
    x = 3,633,679.58/1,660.81
  6. Step 6: Final answer
    x = 2,187.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.