Home / 2,293.61-3,165.35-1,285.26

Finding the Fourth Proportional to 2,293.61, 3,165.35 and 1,285.26

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Solution

The fourth proportional to 2,293.61, 3,165.35 and 1,285.26 is: 1,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.61 : 3,165.35 = 1,285.26 : x
  2. Step 2: Convert to fraction form
    2,293.61/3,165.35 = 1,285.26/x
  3. Step 3: Cross multiply
    2,293.61x = 3,165.35 × 1,285.26
  4. Step 4: Simplify right side
    2,293.61x = 4,068,291.31
  5. Step 5: Solve for x
    x = 4,068,291.31/2,293.61
  6. Step 6: Final answer
    x = 1,773.75

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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.