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Finding the Fourth Proportional to 3,287.32, 4,931.32 and 1,095.46

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Solution

The fourth proportional to 3,287.32, 4,931.32 and 1,095.46 is: 1,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.32 : 4,931.32 = 1,095.46 : x
  2. Step 2: Convert to fraction form
    3,287.32/4,931.32 = 1,095.46/x
  3. Step 3: Cross multiply
    3,287.32x = 4,931.32 × 1,095.46
  4. Step 4: Simplify right side
    3,287.32x = 5,402,063.81
  5. Step 5: Solve for x
    x = 5,402,063.81/3,287.32
  6. Step 6: Final answer
    x = 1,643.30

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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.