Home / 3,479.30-5,217.93-1,013.35

Finding the Fourth Proportional to 3,479.30, 5,217.93 and 1,013.35

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Solution

The fourth proportional to 3,479.30, 5,217.93 and 1,013.35 is: 1,519.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.30 : 5,217.93 = 1,013.35 : x
  2. Step 2: Convert to fraction form
    3,479.30/5,217.93 = 1,013.35/x
  3. Step 3: Cross multiply
    3,479.30x = 5,217.93 × 1,013.35
  4. Step 4: Simplify right side
    3,479.30x = 5,287,580.19
  5. Step 5: Solve for x
    x = 5,287,580.19/3,479.30
  6. Step 6: Final answer
    x = 1,519.72

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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.