Home / 1,284.52-1,926.91-360.08

Finding the Fourth Proportional to 1,284.52, 1,926.91 and 360.08

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Solution

The fourth proportional to 1,284.52, 1,926.91 and 360.08 is: 540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.52 : 1,926.91 = 360.08 : x
  2. Step 2: Convert to fraction form
    1,284.52/1,926.91 = 360.08/x
  3. Step 3: Cross multiply
    1,284.52x = 1,926.91 × 360.08
  4. Step 4: Simplify right side
    1,284.52x = 693,841.75
  5. Step 5: Solve for x
    x = 693,841.75/1,284.52
  6. Step 6: Final answer
    x = 540.16

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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.