Home / 2,293.89-3,165.36-1,285.58

Finding the Fourth Proportional to 2,293.89, 3,165.36 and 1,285.58

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Solution

The fourth proportional to 2,293.89, 3,165.36 and 1,285.58 is: 1,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.89 : 3,165.36 = 1,285.58 : x
  2. Step 2: Convert to fraction form
    2,293.89/3,165.36 = 1,285.58/x
  3. Step 3: Cross multiply
    2,293.89x = 3,165.36 × 1,285.58
  4. Step 4: Simplify right side
    2,293.89x = 4,069,307.68
  5. Step 5: Solve for x
    x = 4,069,307.68/2,293.89
  6. Step 6: Final answer
    x = 1,773.98

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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.