Home / 3,614.60-4,988.72-2,619.52

Finding the Fourth Proportional to 3,614.60, 4,988.72 and 2,619.52

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Solution

The fourth proportional to 3,614.60, 4,988.72 and 2,619.52 is: 3,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.60 : 4,988.72 = 2,619.52 : x
  2. Step 2: Convert to fraction form
    3,614.60/4,988.72 = 2,619.52/x
  3. Step 3: Cross multiply
    3,614.60x = 4,988.72 × 2,619.52
  4. Step 4: Simplify right side
    3,614.60x = 13,068,051.81
  5. Step 5: Solve for x
    x = 13,068,051.81/3,614.60
  6. Step 6: Final answer
    x = 3,615.35

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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.