Home / 2,230.16-3,076.96-1,345.60

Finding the Fourth Proportional to 2,230.16, 3,076.96 and 1,345.60

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Solution

The fourth proportional to 2,230.16, 3,076.96 and 1,345.60 is: 1,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.16 : 3,076.96 = 1,345.60 : x
  2. Step 2: Convert to fraction form
    2,230.16/3,076.96 = 1,345.60/x
  3. Step 3: Cross multiply
    2,230.16x = 3,076.96 × 1,345.60
  4. Step 4: Simplify right side
    2,230.16x = 4,140,357.38
  5. Step 5: Solve for x
    x = 4,140,357.38/2,230.16
  6. Step 6: Final answer
    x = 1,856.53

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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.