Home / 3,577.41-5,364.99-1,385.55

Finding the Fourth Proportional to 3,577.41, 5,364.99 and 1,385.55

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Solution

The fourth proportional to 3,577.41, 5,364.99 and 1,385.55 is: 2,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.41 : 5,364.99 = 1,385.55 : x
  2. Step 2: Convert to fraction form
    3,577.41/5,364.99 = 1,385.55/x
  3. Step 3: Cross multiply
    3,577.41x = 5,364.99 × 1,385.55
  4. Step 4: Simplify right side
    3,577.41x = 7,433,461.89
  5. Step 5: Solve for x
    x = 7,433,461.89/3,577.41
  6. Step 6: Final answer
    x = 2,077.89

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1.5x scale

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.