Home / 3,577.70-5,368.58-1,386.58

Finding the Fourth Proportional to 3,577.70, 5,368.58 and 1,386.58

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Solution

The fourth proportional to 3,577.70, 5,368.58 and 1,386.58 is: 2,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.70 : 5,368.58 = 1,386.58 : x
  2. Step 2: Convert to fraction form
    3,577.70/5,368.58 = 1,386.58/x
  3. Step 3: Cross multiply
    3,577.70x = 5,368.58 × 1,386.58
  4. Step 4: Simplify right side
    3,577.70x = 7,443,965.66
  5. Step 5: Solve for x
    x = 7,443,965.66/3,577.70
  6. Step 6: Final answer
    x = 2,080.66

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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.