Home / 3,611.15-5,417.09-1,302.11

Finding the Fourth Proportional to 3,611.15, 5,417.09 and 1,302.11

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Solution

The fourth proportional to 3,611.15, 5,417.09 and 1,302.11 is: 1,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.15 : 5,417.09 = 1,302.11 : x
  2. Step 2: Convert to fraction form
    3,611.15/5,417.09 = 1,302.11/x
  3. Step 3: Cross multiply
    3,611.15x = 5,417.09 × 1,302.11
  4. Step 4: Simplify right side
    3,611.15x = 7,053,647.06
  5. Step 5: Solve for x
    x = 7,053,647.06/3,611.15
  6. Step 6: Final answer
    x = 1,953.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.