Home / 3,368.53-4,651.52-2,111.75

Finding the Fourth Proportional to 3,368.53, 4,651.52 and 2,111.75

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Solution

The fourth proportional to 3,368.53, 4,651.52 and 2,111.75 is: 2,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.53 : 4,651.52 = 2,111.75 : x
  2. Step 2: Convert to fraction form
    3,368.53/4,651.52 = 2,111.75/x
  3. Step 3: Cross multiply
    3,368.53x = 4,651.52 × 2,111.75
  4. Step 4: Simplify right side
    3,368.53x = 9,822,847.36
  5. Step 5: Solve for x
    x = 9,822,847.36/3,368.53
  6. Step 6: Final answer
    x = 2,916.06

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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.