Home / 3,730.74-5,587.60-1,784.32

Finding the Fourth Proportional to 3,730.74, 5,587.60 and 1,784.32

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Solution

The fourth proportional to 3,730.74, 5,587.60 and 1,784.32 is: 2,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.74 : 5,587.60 = 1,784.32 : x
  2. Step 2: Convert to fraction form
    3,730.74/5,587.60 = 1,784.32/x
  3. Step 3: Cross multiply
    3,730.74x = 5,587.60 × 1,784.32
  4. Step 4: Simplify right side
    3,730.74x = 9,970,066.43
  5. Step 5: Solve for x
    x = 9,970,066.43/3,730.74
  6. Step 6: Final answer
    x = 2,672.41

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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.