Home / 3,340.07-4,605.81-2,869.50

Finding the Fourth Proportional to 3,340.07, 4,605.81 and 2,869.50

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Solution

The fourth proportional to 3,340.07, 4,605.81 and 2,869.50 is: 3,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.07 : 4,605.81 = 2,869.50 : x
  2. Step 2: Convert to fraction form
    3,340.07/4,605.81 = 2,869.50/x
  3. Step 3: Cross multiply
    3,340.07x = 4,605.81 × 2,869.50
  4. Step 4: Simplify right side
    3,340.07x = 13,216,371.80
  5. Step 5: Solve for x
    x = 13,216,371.80/3,340.07
  6. Step 6: Final answer
    x = 3,956.91

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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.