Home / 1,284.75-1,926.80-360.07

Finding the Fourth Proportional to 1,284.75, 1,926.80 and 360.07

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Solution

The fourth proportional to 1,284.75, 1,926.80 and 360.07 is: 540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.75 : 1,926.80 = 360.07 : x
  2. Step 2: Convert to fraction form
    1,284.75/1,926.80 = 360.07/x
  3. Step 3: Cross multiply
    1,284.75x = 1,926.80 × 360.07
  4. Step 4: Simplify right side
    1,284.75x = 693,782.88
  5. Step 5: Solve for x
    x = 693,782.88/1,284.75
  6. Step 6: Final answer
    x = 540.01

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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.