Home / 2,806.61-4,210.41-2,291.18

Finding the Fourth Proportional to 2,806.61, 4,210.41 and 2,291.18

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Solution

The fourth proportional to 2,806.61, 4,210.41 and 2,291.18 is: 3,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.61 : 4,210.41 = 2,291.18 : x
  2. Step 2: Convert to fraction form
    2,806.61/4,210.41 = 2,291.18/x
  3. Step 3: Cross multiply
    2,806.61x = 4,210.41 × 2,291.18
  4. Step 4: Simplify right side
    2,806.61x = 9,646,807.18
  5. Step 5: Solve for x
    x = 9,646,807.18/2,806.61
  6. Step 6: Final answer
    x = 3,437.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.