Home / 3,045.45-4,564.50-1,399.74

Finding the Fourth Proportional to 3,045.45, 4,564.50 and 1,399.74

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Solution

The fourth proportional to 3,045.45, 4,564.50 and 1,399.74 is: 2,097.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.45 : 4,564.50 = 1,399.74 : x
  2. Step 2: Convert to fraction form
    3,045.45/4,564.50 = 1,399.74/x
  3. Step 3: Cross multiply
    3,045.45x = 4,564.50 × 1,399.74
  4. Step 4: Simplify right side
    3,045.45x = 6,389,113.23
  5. Step 5: Solve for x
    x = 6,389,113.23/3,045.45
  6. Step 6: Final answer
    x = 2,097.92

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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.