Home / 3,509.82-5,265.54-1,868.76

Finding the Fourth Proportional to 3,509.82, 5,265.54 and 1,868.76

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Solution

The fourth proportional to 3,509.82, 5,265.54 and 1,868.76 is: 2,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.82 : 5,265.54 = 1,868.76 : x
  2. Step 2: Convert to fraction form
    3,509.82/5,265.54 = 1,868.76/x
  3. Step 3: Cross multiply
    3,509.82x = 5,265.54 × 1,868.76
  4. Step 4: Simplify right side
    3,509.82x = 9,840,030.53
  5. Step 5: Solve for x
    x = 9,840,030.53/3,509.82
  6. Step 6: Final answer
    x = 2,803.57

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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.