Home / 2,690.82-4,032.99-1,130.22

Finding the Fourth Proportional to 2,690.82, 4,032.99 and 1,130.22

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Solution

The fourth proportional to 2,690.82, 4,032.99 and 1,130.22 is: 1,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.82 : 4,032.99 = 1,130.22 : x
  2. Step 2: Convert to fraction form
    2,690.82/4,032.99 = 1,130.22/x
  3. Step 3: Cross multiply
    2,690.82x = 4,032.99 × 1,130.22
  4. Step 4: Simplify right side
    2,690.82x = 4,558,165.96
  5. Step 5: Solve for x
    x = 4,558,165.96/2,690.82
  6. Step 6: Final answer
    x = 1,693.97

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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.