Home / 2,619.92-3,615.36-1,501.32

Finding the Fourth Proportional to 2,619.92, 3,615.36 and 1,501.32

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Solution

The fourth proportional to 2,619.92, 3,615.36 and 1,501.32 is: 2,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.92 : 3,615.36 = 1,501.32 : x
  2. Step 2: Convert to fraction form
    2,619.92/3,615.36 = 1,501.32/x
  3. Step 3: Cross multiply
    2,619.92x = 3,615.36 × 1,501.32
  4. Step 4: Simplify right side
    2,619.92x = 5,427,812.28
  5. Step 5: Solve for x
    x = 5,427,812.28/2,619.92
  6. Step 6: Final answer
    x = 2,071.75

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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.