Home / 3,225.90-4,831.65-2,649.90

Finding the Fourth Proportional to 3,225.90, 4,831.65 and 2,649.90

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Solution

The fourth proportional to 3,225.90, 4,831.65 and 2,649.90 is: 3,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.90 : 4,831.65 = 2,649.90 : x
  2. Step 2: Convert to fraction form
    3,225.90/4,831.65 = 2,649.90/x
  3. Step 3: Cross multiply
    3,225.90x = 4,831.65 × 2,649.90
  4. Step 4: Simplify right side
    3,225.90x = 12,803,389.34
  5. Step 5: Solve for x
    x = 12,803,389.34/3,225.90
  6. Step 6: Final answer
    x = 3,968.94

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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.