Home / 3,465.90-5,195.70-1,274.10

Finding the Fourth Proportional to 3,465.90, 5,195.70 and 1,274.10

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Solution

The fourth proportional to 3,465.90, 5,195.70 and 1,274.10 is: 1,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.90 : 5,195.70 = 1,274.10 : x
  2. Step 2: Convert to fraction form
    3,465.90/5,195.70 = 1,274.10/x
  3. Step 3: Cross multiply
    3,465.90x = 5,195.70 × 1,274.10
  4. Step 4: Simplify right side
    3,465.90x = 6,619,841.37
  5. Step 5: Solve for x
    x = 6,619,841.37/3,465.90
  6. Step 6: Final answer
    x = 1,909.99

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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.