Home / 3,061.67-4,225.13-1,802.72

Finding the Fourth Proportional to 3,061.67, 4,225.13 and 1,802.72

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Solution

The fourth proportional to 3,061.67, 4,225.13 and 1,802.72 is: 2,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.67 : 4,225.13 = 1,802.72 : x
  2. Step 2: Convert to fraction form
    3,061.67/4,225.13 = 1,802.72/x
  3. Step 3: Cross multiply
    3,061.67x = 4,225.13 × 1,802.72
  4. Step 4: Simplify right side
    3,061.67x = 7,616,696.21
  5. Step 5: Solve for x
    x = 7,616,696.21/3,061.67
  6. Step 6: Final answer
    x = 2,487.76

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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.