Home / 2,615.30-3,608.66-1,669.50

Finding the Fourth Proportional to 2,615.30, 3,608.66 and 1,669.50

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Solution

The fourth proportional to 2,615.30, 3,608.66 and 1,669.50 is: 2,303.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.30 : 3,608.66 = 1,669.50 : x
  2. Step 2: Convert to fraction form
    2,615.30/3,608.66 = 1,669.50/x
  3. Step 3: Cross multiply
    2,615.30x = 3,608.66 × 1,669.50
  4. Step 4: Simplify right side
    2,615.30x = 6,024,657.87
  5. Step 5: Solve for x
    x = 6,024,657.87/2,615.30
  6. Step 6: Final answer
    x = 2,303.62

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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.