Home / 3,670.68-5,065.02-2,611.20

Finding the Fourth Proportional to 3,670.68, 5,065.02 and 2,611.20

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Solution

The fourth proportional to 3,670.68, 5,065.02 and 2,611.20 is: 3,603.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.68 : 5,065.02 = 2,611.20 : x
  2. Step 2: Convert to fraction form
    3,670.68/5,065.02 = 2,611.20/x
  3. Step 3: Cross multiply
    3,670.68x = 5,065.02 × 2,611.20
  4. Step 4: Simplify right side
    3,670.68x = 13,225,780.22
  5. Step 5: Solve for x
    x = 13,225,780.22/3,670.68
  6. Step 6: Final answer
    x = 3,603.09

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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.