Home / 3,529.39-4,870.53-1,936.01

Finding the Fourth Proportional to 3,529.39, 4,870.53 and 1,936.01

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Solution

The fourth proportional to 3,529.39, 4,870.53 and 1,936.01 is: 2,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.39 : 4,870.53 = 1,936.01 : x
  2. Step 2: Convert to fraction form
    3,529.39/4,870.53 = 1,936.01/x
  3. Step 3: Cross multiply
    3,529.39x = 4,870.53 × 1,936.01
  4. Step 4: Simplify right side
    3,529.39x = 9,429,360.75
  5. Step 5: Solve for x
    x = 9,429,360.75/3,529.39
  6. Step 6: Final answer
    x = 2,671.67

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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.