Home / 2,290.08-3,160.32-1,345.60

Finding the Fourth Proportional to 2,290.08, 3,160.32 and 1,345.60

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Solution

The fourth proportional to 2,290.08, 3,160.32 and 1,345.60 is: 1,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.08 : 3,160.32 = 1,345.60 : x
  2. Step 2: Convert to fraction form
    2,290.08/3,160.32 = 1,345.60/x
  3. Step 3: Cross multiply
    2,290.08x = 3,160.32 × 1,345.60
  4. Step 4: Simplify right side
    2,290.08x = 4,252,526.59
  5. Step 5: Solve for x
    x = 4,252,526.59/2,290.08
  6. Step 6: Final answer
    x = 1,856.93

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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.