Home / 3,368.72-4,651.12-2,110.28

Finding the Fourth Proportional to 3,368.72, 4,651.12 and 2,110.28

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Solution

The fourth proportional to 3,368.72, 4,651.12 and 2,110.28 is: 2,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.72 : 4,651.12 = 2,110.28 : x
  2. Step 2: Convert to fraction form
    3,368.72/4,651.12 = 2,110.28/x
  3. Step 3: Cross multiply
    3,368.72x = 4,651.12 × 2,110.28
  4. Step 4: Simplify right side
    3,368.72x = 9,815,165.51
  5. Step 5: Solve for x
    x = 9,815,165.51/3,368.72
  6. Step 6: Final answer
    x = 2,913.62

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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.