Home / 3,326.90-4,988.02-2,390.42

Finding the Fourth Proportional to 3,326.90, 4,988.02 and 2,390.42

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Solution

The fourth proportional to 3,326.90, 4,988.02 and 2,390.42 is: 3,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.90 : 4,988.02 = 2,390.42 : x
  2. Step 2: Convert to fraction form
    3,326.90/4,988.02 = 2,390.42/x
  3. Step 3: Cross multiply
    3,326.90x = 4,988.02 × 2,390.42
  4. Step 4: Simplify right side
    3,326.90x = 11,923,462.77
  5. Step 5: Solve for x
    x = 11,923,462.77/3,326.90
  6. Step 6: Final answer
    x = 3,583.96

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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.