Home / 1,468.28-2,026.23-805.15

Finding the Fourth Proportional to 1,468.28, 2,026.23 and 805.15

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Solution

The fourth proportional to 1,468.28, 2,026.23 and 805.15 is: 1,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.28 : 2,026.23 = 805.15 : x
  2. Step 2: Convert to fraction form
    1,468.28/2,026.23 = 805.15/x
  3. Step 3: Cross multiply
    1,468.28x = 2,026.23 × 805.15
  4. Step 4: Simplify right side
    1,468.28x = 1,631,408.95
  5. Step 5: Solve for x
    x = 1,631,408.95/1,468.28
  6. Step 6: Final answer
    x = 1,111.10

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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.