Home / 3,649.40-5,473.20-1,051.76

Finding the Fourth Proportional to 3,649.40, 5,473.20 and 1,051.76

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Solution

The fourth proportional to 3,649.40, 5,473.20 and 1,051.76 is: 1,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.40 : 5,473.20 = 1,051.76 : x
  2. Step 2: Convert to fraction form
    3,649.40/5,473.20 = 1,051.76/x
  3. Step 3: Cross multiply
    3,649.40x = 5,473.20 × 1,051.76
  4. Step 4: Simplify right side
    3,649.40x = 5,756,492.83
  5. Step 5: Solve for x
    x = 5,756,492.83/3,649.40
  6. Step 6: Final answer
    x = 1,577.38

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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.