Home / 3,727.61-5,140.95-2,663.40

Finding the Fourth Proportional to 3,727.61, 5,140.95 and 2,663.40

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Solution

The fourth proportional to 3,727.61, 5,140.95 and 2,663.40 is: 3,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.61 : 5,140.95 = 2,663.40 : x
  2. Step 2: Convert to fraction form
    3,727.61/5,140.95 = 2,663.40/x
  3. Step 3: Cross multiply
    3,727.61x = 5,140.95 × 2,663.40
  4. Step 4: Simplify right side
    3,727.61x = 13,692,406.23
  5. Step 5: Solve for x
    x = 13,692,406.23/3,727.61
  6. Step 6: Final answer
    x = 3,673.24

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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.