Home / 3,405.08-5,111.20-3,017.57

Finding the Fourth Proportional to 3,405.08, 5,111.20 and 3,017.57

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Solution

The fourth proportional to 3,405.08, 5,111.20 and 3,017.57 is: 4,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.08 : 5,111.20 = 3,017.57 : x
  2. Step 2: Convert to fraction form
    3,405.08/5,111.20 = 3,017.57/x
  3. Step 3: Cross multiply
    3,405.08x = 5,111.20 × 3,017.57
  4. Step 4: Simplify right side
    3,405.08x = 15,423,378.23
  5. Step 5: Solve for x
    x = 15,423,378.23/3,405.08
  6. Step 6: Final answer
    x = 4,529.52

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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.