Home / 1,958.32-2,937.48-1,090.72

Finding the Fourth Proportional to 1,958.32, 2,937.48 and 1,090.72

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Solution

The fourth proportional to 1,958.32, 2,937.48 and 1,090.72 is: 1,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.32 : 2,937.48 = 1,090.72 : x
  2. Step 2: Convert to fraction form
    1,958.32/2,937.48 = 1,090.72/x
  3. Step 3: Cross multiply
    1,958.32x = 2,937.48 × 1,090.72
  4. Step 4: Simplify right side
    1,958.32x = 3,203,968.19
  5. Step 5: Solve for x
    x = 3,203,968.19/1,958.32
  6. Step 6: Final answer
    x = 1,636.08

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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.