Home / 2,655.23-3,985.27-1,926.23

Finding the Fourth Proportional to 2,655.23, 3,985.27 and 1,926.23

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Solution

The fourth proportional to 2,655.23, 3,985.27 and 1,926.23 is: 2,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.23 : 3,985.27 = 1,926.23 : x
  2. Step 2: Convert to fraction form
    2,655.23/3,985.27 = 1,926.23/x
  3. Step 3: Cross multiply
    2,655.23x = 3,985.27 × 1,926.23
  4. Step 4: Simplify right side
    2,655.23x = 7,676,521.89
  5. Step 5: Solve for x
    x = 7,676,521.89/2,655.23
  6. Step 6: Final answer
    x = 2,891.10

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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.