Home / 3,770.15-5,649.45-1,577.68

Finding the Fourth Proportional to 3,770.15, 5,649.45 and 1,577.68

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Solution

The fourth proportional to 3,770.15, 5,649.45 and 1,577.68 is: 2,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.15 : 5,649.45 = 1,577.68 : x
  2. Step 2: Convert to fraction form
    3,770.15/5,649.45 = 1,577.68/x
  3. Step 3: Cross multiply
    3,770.15x = 5,649.45 × 1,577.68
  4. Step 4: Simplify right side
    3,770.15x = 8,913,004.24
  5. Step 5: Solve for x
    x = 8,913,004.24/3,770.15
  6. Step 6: Final answer
    x = 2,364.10

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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.