Home / 1,479.53-2,215.92-1,268.93

Finding the Fourth Proportional to 1,479.53, 2,215.92 and 1,268.93

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Solution

The fourth proportional to 1,479.53, 2,215.92 and 1,268.93 is: 1,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.53 : 2,215.92 = 1,268.93 : x
  2. Step 2: Convert to fraction form
    1,479.53/2,215.92 = 1,268.93/x
  3. Step 3: Cross multiply
    1,479.53x = 2,215.92 × 1,268.93
  4. Step 4: Simplify right side
    1,479.53x = 2,811,857.66
  5. Step 5: Solve for x
    x = 2,811,857.66/1,479.53
  6. Step 6: Final answer
    x = 1,900.50

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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.