Home / 3,465.64-5,195.23-1,385.13

Finding the Fourth Proportional to 3,465.64, 5,195.23 and 1,385.13

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Solution

The fourth proportional to 3,465.64, 5,195.23 and 1,385.13 is: 2,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.64 : 5,195.23 = 1,385.13 : x
  2. Step 2: Convert to fraction form
    3,465.64/5,195.23 = 1,385.13/x
  3. Step 3: Cross multiply
    3,465.64x = 5,195.23 × 1,385.13
  4. Step 4: Simplify right side
    3,465.64x = 7,196,068.93
  5. Step 5: Solve for x
    x = 7,196,068.93/3,465.64
  6. Step 6: Final answer
    x = 2,076.40

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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.