Home / 3,360.12-4,636.61-1,943.60

Finding the Fourth Proportional to 3,360.12, 4,636.61 and 1,943.60

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Solution

The fourth proportional to 3,360.12, 4,636.61 and 1,943.60 is: 2,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.12 : 4,636.61 = 1,943.60 : x
  2. Step 2: Convert to fraction form
    3,360.12/4,636.61 = 1,943.60/x
  3. Step 3: Cross multiply
    3,360.12x = 4,636.61 × 1,943.60
  4. Step 4: Simplify right side
    3,360.12x = 9,011,682.29
  5. Step 5: Solve for x
    x = 9,011,682.29/3,360.12
  6. Step 6: Final answer
    x = 2,681.95

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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.