Home / 3,368.05-4,646.59-2,108.57

Finding the Fourth Proportional to 3,368.05, 4,646.59 and 2,108.57

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Solution

The fourth proportional to 3,368.05, 4,646.59 and 2,108.57 is: 2,908.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.05 : 4,646.59 = 2,108.57 : x
  2. Step 2: Convert to fraction form
    3,368.05/4,646.59 = 2,108.57/x
  3. Step 3: Cross multiply
    3,368.05x = 4,646.59 × 2,108.57
  4. Step 4: Simplify right side
    3,368.05x = 9,797,631.77
  5. Step 5: Solve for x
    x = 9,797,631.77/3,368.05
  6. Step 6: Final answer
    x = 2,908.99

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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.