Home / 3,918.34-5,877.52-1,577.64

Finding the Fourth Proportional to 3,918.34, 5,877.52 and 1,577.64

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Solution

The fourth proportional to 3,918.34, 5,877.52 and 1,577.64 is: 2,366.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.34 : 5,877.52 = 1,577.64 : x
  2. Step 2: Convert to fraction form
    3,918.34/5,877.52 = 1,577.64/x
  3. Step 3: Cross multiply
    3,918.34x = 5,877.52 × 1,577.64
  4. Step 4: Simplify right side
    3,918.34x = 9,272,606.71
  5. Step 5: Solve for x
    x = 9,272,606.71/3,918.34
  6. Step 6: Final answer
    x = 2,366.46

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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.