Home / 2,611.18-3,604.81-1,776.34

Finding the Fourth Proportional to 2,611.18, 3,604.81 and 1,776.34

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Solution

The fourth proportional to 2,611.18, 3,604.81 and 1,776.34 is: 2,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.18 : 3,604.81 = 1,776.34 : x
  2. Step 2: Convert to fraction form
    2,611.18/3,604.81 = 1,776.34/x
  3. Step 3: Cross multiply
    2,611.18x = 3,604.81 × 1,776.34
  4. Step 4: Simplify right side
    2,611.18x = 6,403,368.20
  5. Step 5: Solve for x
    x = 6,403,368.20/2,611.18
  6. Step 6: Final answer
    x = 2,452.29

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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.