Home / 2,360.85-3,260.33-1,945.32

Finding the Fourth Proportional to 2,360.85, 3,260.33 and 1,945.32

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Solution

The fourth proportional to 2,360.85, 3,260.33 and 1,945.32 is: 2,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.85 : 3,260.33 = 1,945.32 : x
  2. Step 2: Convert to fraction form
    2,360.85/3,260.33 = 1,945.32/x
  3. Step 3: Cross multiply
    2,360.85x = 3,260.33 × 1,945.32
  4. Step 4: Simplify right side
    2,360.85x = 6,342,385.16
  5. Step 5: Solve for x
    x = 6,342,385.16/2,360.85
  6. Step 6: Final answer
    x = 2,686.48

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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.