Home / 3,019.32-4,530.24-1,264.65

Finding the Fourth Proportional to 3,019.32, 4,530.24 and 1,264.65

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Solution

The fourth proportional to 3,019.32, 4,530.24 and 1,264.65 is: 1,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.32 : 4,530.24 = 1,264.65 : x
  2. Step 2: Convert to fraction form
    3,019.32/4,530.24 = 1,264.65/x
  3. Step 3: Cross multiply
    3,019.32x = 4,530.24 × 1,264.65
  4. Step 4: Simplify right side
    3,019.32x = 5,729,168.02
  5. Step 5: Solve for x
    x = 5,729,168.02/3,019.32
  6. Step 6: Final answer
    x = 1,897.50

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Half scale
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Double scale
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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.