Home / 3,675.85-5,513.81-1,337.51

Finding the Fourth Proportional to 3,675.85, 5,513.81 and 1,337.51

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Solution

The fourth proportional to 3,675.85, 5,513.81 and 1,337.51 is: 2,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.85 : 5,513.81 = 1,337.51 : x
  2. Step 2: Convert to fraction form
    3,675.85/5,513.81 = 1,337.51/x
  3. Step 3: Cross multiply
    3,675.85x = 5,513.81 × 1,337.51
  4. Step 4: Simplify right side
    3,675.85x = 7,374,783.11
  5. Step 5: Solve for x
    x = 7,374,783.11/3,675.85
  6. Step 6: Final answer
    x = 2,006.28

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1.5x scale

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.