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Finding the Fourth Proportional to 2,346.85, 3,518.85 and 1,615.62

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Solution

The fourth proportional to 2,346.85, 3,518.85 and 1,615.62 is: 2,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.85 : 3,518.85 = 1,615.62 : x
  2. Step 2: Convert to fraction form
    2,346.85/3,518.85 = 1,615.62/x
  3. Step 3: Cross multiply
    2,346.85x = 3,518.85 × 1,615.62
  4. Step 4: Simplify right side
    2,346.85x = 5,685,124.44
  5. Step 5: Solve for x
    x = 5,685,124.44/2,346.85
  6. Step 6: Final answer
    x = 2,422.45

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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.