Home / 3,417.12-5,117.40-2,028.24

Finding the Fourth Proportional to 3,417.12, 5,117.40 and 2,028.24

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Solution

The fourth proportional to 3,417.12, 5,117.40 and 2,028.24 is: 3,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.12 : 5,117.40 = 2,028.24 : x
  2. Step 2: Convert to fraction form
    3,417.12/5,117.40 = 2,028.24/x
  3. Step 3: Cross multiply
    3,417.12x = 5,117.40 × 2,028.24
  4. Step 4: Simplify right side
    3,417.12x = 10,379,315.38
  5. Step 5: Solve for x
    x = 10,379,315.38/3,417.12
  6. Step 6: Final answer
    x = 3,037.45

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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.