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Finding the Fourth Proportional to 3,558.90, 5,341.07 and 1,612.47

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Solution

The fourth proportional to 3,558.90, 5,341.07 and 1,612.47 is: 2,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.90 : 5,341.07 = 1,612.47 : x
  2. Step 2: Convert to fraction form
    3,558.90/5,341.07 = 1,612.47/x
  3. Step 3: Cross multiply
    3,558.90x = 5,341.07 × 1,612.47
  4. Step 4: Simplify right side
    3,558.90x = 8,612,315.14
  5. Step 5: Solve for x
    x = 8,612,315.14/3,558.90
  6. Step 6: Final answer
    x = 2,419.94

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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.