Home / 3,465.27-5,196.06-1,515.20

Finding the Fourth Proportional to 3,465.27, 5,196.06 and 1,515.20

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Solution

The fourth proportional to 3,465.27, 5,196.06 and 1,515.20 is: 2,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.27 : 5,196.06 = 1,515.20 : x
  2. Step 2: Convert to fraction form
    3,465.27/5,196.06 = 1,515.20/x
  3. Step 3: Cross multiply
    3,465.27x = 5,196.06 × 1,515.20
  4. Step 4: Simplify right side
    3,465.27x = 7,873,044.13
  5. Step 5: Solve for x
    x = 7,873,044.13/3,465.27
  6. Step 6: Final answer
    x = 2,271.99

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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.