Home / 2,802.06-3,866.76-1,607.22

Finding the Fourth Proportional to 2,802.06, 3,866.76 and 1,607.22

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Solution

The fourth proportional to 2,802.06, 3,866.76 and 1,607.22 is: 2,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.06 : 3,866.76 = 1,607.22 : x
  2. Step 2: Convert to fraction form
    2,802.06/3,866.76 = 1,607.22/x
  3. Step 3: Cross multiply
    2,802.06x = 3,866.76 × 1,607.22
  4. Step 4: Simplify right side
    2,802.06x = 6,214,734.01
  5. Step 5: Solve for x
    x = 6,214,734.01/2,802.06
  6. Step 6: Final answer
    x = 2,217.92

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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.