Home / 2,407.90-3,611.85-2,110.30

Finding the Fourth Proportional to 2,407.90, 3,611.85 and 2,110.30

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Solution

The fourth proportional to 2,407.90, 3,611.85 and 2,110.30 is: 3,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.90 : 3,611.85 = 2,110.30 : x
  2. Step 2: Convert to fraction form
    2,407.90/3,611.85 = 2,110.30/x
  3. Step 3: Cross multiply
    2,407.90x = 3,611.85 × 2,110.30
  4. Step 4: Simplify right side
    2,407.90x = 7,622,087.06
  5. Step 5: Solve for x
    x = 7,622,087.06/2,407.90
  6. Step 6: Final answer
    x = 3,165.45

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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.