Home / 1,805.30-2,690.01-1,717.14

Finding the Fourth Proportional to 1,805.30, 2,690.01 and 1,717.14

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Solution

The fourth proportional to 1,805.30, 2,690.01 and 1,717.14 is: 2,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.30 : 2,690.01 = 1,717.14 : x
  2. Step 2: Convert to fraction form
    1,805.30/2,690.01 = 1,717.14/x
  3. Step 3: Cross multiply
    1,805.30x = 2,690.01 × 1,717.14
  4. Step 4: Simplify right side
    1,805.30x = 4,619,114.94
  5. Step 5: Solve for x
    x = 4,619,114.94/1,805.30
  6. Step 6: Final answer
    x = 2,558.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.