Home / 2,293.40-3,164.50-1,285.08

Finding the Fourth Proportional to 2,293.40, 3,164.50 and 1,285.08

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Solution

The fourth proportional to 2,293.40, 3,164.50 and 1,285.08 is: 1,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.40 : 3,164.50 = 1,285.08 : x
  2. Step 2: Convert to fraction form
    2,293.40/3,164.50 = 1,285.08/x
  3. Step 3: Cross multiply
    2,293.40x = 3,164.50 × 1,285.08
  4. Step 4: Simplify right side
    2,293.40x = 4,066,635.66
  5. Step 5: Solve for x
    x = 4,066,635.66/2,293.40
  6. Step 6: Final answer
    x = 1,773.19

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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.