Home / 3,513.04-4,848.09-1,919.75

Finding the Fourth Proportional to 3,513.04, 4,848.09 and 1,919.75

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Solution

The fourth proportional to 3,513.04, 4,848.09 and 1,919.75 is: 2,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.04 : 4,848.09 = 1,919.75 : x
  2. Step 2: Convert to fraction form
    3,513.04/4,848.09 = 1,919.75/x
  3. Step 3: Cross multiply
    3,513.04x = 4,848.09 × 1,919.75
  4. Step 4: Simplify right side
    3,513.04x = 9,307,120.78
  5. Step 5: Solve for x
    x = 9,307,120.78/3,513.04
  6. Step 6: Final answer
    x = 2,649.31

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1.5x scale

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.