Home / 3,549.29-4,889.85-2,802.98

Finding the Fourth Proportional to 3,549.29, 4,889.85 and 2,802.98

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Solution

The fourth proportional to 3,549.29, 4,889.85 and 2,802.98 is: 3,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.29 : 4,889.85 = 2,802.98 : x
  2. Step 2: Convert to fraction form
    3,549.29/4,889.85 = 2,802.98/x
  3. Step 3: Cross multiply
    3,549.29x = 4,889.85 × 2,802.98
  4. Step 4: Simplify right side
    3,549.29x = 13,706,127.30
  5. Step 5: Solve for x
    x = 13,706,127.30/3,549.29
  6. Step 6: Final answer
    x = 3,861.66

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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.