Home / 3,513.24-4,848.05-1,919.77

Finding the Fourth Proportional to 3,513.24, 4,848.05 and 1,919.77

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Solution

The fourth proportional to 3,513.24, 4,848.05 and 1,919.77 is: 2,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.24 : 4,848.05 = 1,919.77 : x
  2. Step 2: Convert to fraction form
    3,513.24/4,848.05 = 1,919.77/x
  3. Step 3: Cross multiply
    3,513.24x = 4,848.05 × 1,919.77
  4. Step 4: Simplify right side
    3,513.24x = 9,307,133.63
  5. Step 5: Solve for x
    x = 9,307,133.63/3,513.24
  6. Step 6: Final answer
    x = 2,649.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.