Home / 3,477.12-5,213.44-1,625.76

Finding the Fourth Proportional to 3,477.12, 5,213.44 and 1,625.76

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Solution

The fourth proportional to 3,477.12, 5,213.44 and 1,625.76 is: 2,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.12 : 5,213.44 = 1,625.76 : x
  2. Step 2: Convert to fraction form
    3,477.12/5,213.44 = 1,625.76/x
  3. Step 3: Cross multiply
    3,477.12x = 5,213.44 × 1,625.76
  4. Step 4: Simplify right side
    3,477.12x = 8,475,802.21
  5. Step 5: Solve for x
    x = 8,475,802.21/3,477.12
  6. Step 6: Final answer
    x = 2,437.59

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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.