Home / 3,140.67-4,336.01-1,963.34

Finding the Fourth Proportional to 3,140.67, 4,336.01 and 1,963.34

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Solution

The fourth proportional to 3,140.67, 4,336.01 and 1,963.34 is: 2,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.67 : 4,336.01 = 1,963.34 : x
  2. Step 2: Convert to fraction form
    3,140.67/4,336.01 = 1,963.34/x
  3. Step 3: Cross multiply
    3,140.67x = 4,336.01 × 1,963.34
  4. Step 4: Simplify right side
    3,140.67x = 8,513,030.38
  5. Step 5: Solve for x
    x = 8,513,030.38/3,140.67
  6. Step 6: Final answer
    x = 2,710.58

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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.