Home / 3,260.90-4,887.66-1,618.58

Finding the Fourth Proportional to 3,260.90, 4,887.66 and 1,618.58

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Solution

The fourth proportional to 3,260.90, 4,887.66 and 1,618.58 is: 2,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.90 : 4,887.66 = 1,618.58 : x
  2. Step 2: Convert to fraction form
    3,260.90/4,887.66 = 1,618.58/x
  3. Step 3: Cross multiply
    3,260.90x = 4,887.66 × 1,618.58
  4. Step 4: Simplify right side
    3,260.90x = 7,911,068.72
  5. Step 5: Solve for x
    x = 7,911,068.72/3,260.90
  6. Step 6: Final answer
    x = 2,426.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.