Home / 3,415.06-5,118.54-3,021.40

Finding the Fourth Proportional to 3,415.06, 5,118.54 and 3,021.40

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Solution

The fourth proportional to 3,415.06, 5,118.54 and 3,021.40 is: 4,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.06 : 5,118.54 = 3,021.40 : x
  2. Step 2: Convert to fraction form
    3,415.06/5,118.54 = 3,021.40/x
  3. Step 3: Cross multiply
    3,415.06x = 5,118.54 × 3,021.40
  4. Step 4: Simplify right side
    3,415.06x = 15,465,156.76
  5. Step 5: Solve for x
    x = 15,465,156.76/3,415.06
  6. Step 6: Final answer
    x = 4,528.52

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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.