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Finding the Fourth Proportional to 1,832.16, 2,746.16 and 906.32

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Solution

The fourth proportional to 1,832.16, 2,746.16 and 906.32 is: 1,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.16 : 2,746.16 = 906.32 : x
  2. Step 2: Convert to fraction form
    1,832.16/2,746.16 = 906.32/x
  3. Step 3: Cross multiply
    1,832.16x = 2,746.16 × 906.32
  4. Step 4: Simplify right side
    1,832.16x = 2,488,899.73
  5. Step 5: Solve for x
    x = 2,488,899.73/1,832.16
  6. Step 6: Final answer
    x = 1,358.45

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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.