Home / 3,207.40-4,811.61-1,358.53

Finding the Fourth Proportional to 3,207.40, 4,811.61 and 1,358.53

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Solution

The fourth proportional to 3,207.40, 4,811.61 and 1,358.53 is: 2,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.40 : 4,811.61 = 1,358.53 : x
  2. Step 2: Convert to fraction form
    3,207.40/4,811.61 = 1,358.53/x
  3. Step 3: Cross multiply
    3,207.40x = 4,811.61 × 1,358.53
  4. Step 4: Simplify right side
    3,207.40x = 6,536,727.64
  5. Step 5: Solve for x
    x = 6,536,727.64/3,207.40
  6. Step 6: Final answer
    x = 2,038.01

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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.