Home / 2,673.56-3,688.98-1,611.92

Finding the Fourth Proportional to 2,673.56, 3,688.98 and 1,611.92

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Solution

The fourth proportional to 2,673.56, 3,688.98 and 1,611.92 is: 2,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.56 : 3,688.98 = 1,611.92 : x
  2. Step 2: Convert to fraction form
    2,673.56/3,688.98 = 1,611.92/x
  3. Step 3: Cross multiply
    2,673.56x = 3,688.98 × 1,611.92
  4. Step 4: Simplify right side
    2,673.56x = 5,946,322.20
  5. Step 5: Solve for x
    x = 5,946,322.20/2,673.56
  6. Step 6: Final answer
    x = 2,224.13

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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.