Home / 3,513.72-4,848.96-1,941.80

Finding the Fourth Proportional to 3,513.72, 4,848.96 and 1,941.80

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Solution

The fourth proportional to 3,513.72, 4,848.96 and 1,941.80 is: 2,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.72 : 4,848.96 = 1,941.80 : x
  2. Step 2: Convert to fraction form
    3,513.72/4,848.96 = 1,941.80/x
  3. Step 3: Cross multiply
    3,513.72x = 4,848.96 × 1,941.80
  4. Step 4: Simplify right side
    3,513.72x = 9,415,710.53
  5. Step 5: Solve for x
    x = 9,415,710.53/3,513.72
  6. Step 6: Final answer
    x = 2,679.70

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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.