Home / 3,315.10-4,967.78-2,950.60

Finding the Fourth Proportional to 3,315.10, 4,967.78 and 2,950.60

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Solution

The fourth proportional to 3,315.10, 4,967.78 and 2,950.60 is: 4,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.10 : 4,967.78 = 2,950.60 : x
  2. Step 2: Convert to fraction form
    3,315.10/4,967.78 = 2,950.60/x
  3. Step 3: Cross multiply
    3,315.10x = 4,967.78 × 2,950.60
  4. Step 4: Simplify right side
    3,315.10x = 14,657,931.67
  5. Step 5: Solve for x
    x = 14,657,931.67/3,315.10
  6. Step 6: Final answer
    x = 4,421.57

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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.