Home / 1,468.30-2,026.20-805.12

Finding the Fourth Proportional to 1,468.30, 2,026.20 and 805.12

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Solution

The fourth proportional to 1,468.30, 2,026.20 and 805.12 is: 1,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.30 : 2,026.20 = 805.12 : x
  2. Step 2: Convert to fraction form
    1,468.30/2,026.20 = 805.12/x
  3. Step 3: Cross multiply
    1,468.30x = 2,026.20 × 805.12
  4. Step 4: Simplify right side
    1,468.30x = 1,631,334.14
  5. Step 5: Solve for x
    x = 1,631,334.14/1,468.30
  6. Step 6: Final answer
    x = 1,111.04

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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.