Home / 3,513.40-4,848.24-1,941.28

Finding the Fourth Proportional to 3,513.40, 4,848.24 and 1,941.28

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Solution

The fourth proportional to 3,513.40, 4,848.24 and 1,941.28 is: 2,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.40 : 4,848.24 = 1,941.28 : x
  2. Step 2: Convert to fraction form
    3,513.40/4,848.24 = 1,941.28/x
  3. Step 3: Cross multiply
    3,513.40x = 4,848.24 × 1,941.28
  4. Step 4: Simplify right side
    3,513.40x = 9,411,791.35
  5. Step 5: Solve for x
    x = 9,411,791.35/3,513.40
  6. Step 6: Final answer
    x = 2,678.83

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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.