Home / 3,495.39-5,242.67-1,155.40

Finding the Fourth Proportional to 3,495.39, 5,242.67 and 1,155.40

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Solution

The fourth proportional to 3,495.39, 5,242.67 and 1,155.40 is: 1,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.39 : 5,242.67 = 1,155.40 : x
  2. Step 2: Convert to fraction form
    3,495.39/5,242.67 = 1,155.40/x
  3. Step 3: Cross multiply
    3,495.39x = 5,242.67 × 1,155.40
  4. Step 4: Simplify right side
    3,495.39x = 6,057,372.87
  5. Step 5: Solve for x
    x = 6,057,372.87/3,495.39
  6. Step 6: Final answer
    x = 1,732.96

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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.