Home / 2,615.07-3,608.87-1,436.19

Finding the Fourth Proportional to 2,615.07, 3,608.87 and 1,436.19

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Solution

The fourth proportional to 2,615.07, 3,608.87 and 1,436.19 is: 1,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.07 : 3,608.87 = 1,436.19 : x
  2. Step 2: Convert to fraction form
    2,615.07/3,608.87 = 1,436.19/x
  3. Step 3: Cross multiply
    2,615.07x = 3,608.87 × 1,436.19
  4. Step 4: Simplify right side
    2,615.07x = 5,183,023.01
  5. Step 5: Solve for x
    x = 5,183,023.01/2,615.07
  6. Step 6: Final answer
    x = 1,981.98

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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.