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Finding the Fourth Proportional to 1,646.08, 2,272.02 and 1,017.16

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Solution

The fourth proportional to 1,646.08, 2,272.02 and 1,017.16 is: 1,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.08 : 2,272.02 = 1,017.16 : x
  2. Step 2: Convert to fraction form
    1,646.08/2,272.02 = 1,017.16/x
  3. Step 3: Cross multiply
    1,646.08x = 2,272.02 × 1,017.16
  4. Step 4: Simplify right side
    1,646.08x = 2,311,007.86
  5. Step 5: Solve for x
    x = 2,311,007.86/1,646.08
  6. Step 6: Final answer
    x = 1,403.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.