Home / 3,045.45-4,202.81-1,719.17

Finding the Fourth Proportional to 3,045.45, 4,202.81 and 1,719.17

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Solution

The fourth proportional to 3,045.45, 4,202.81 and 1,719.17 is: 2,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.45 : 4,202.81 = 1,719.17 : x
  2. Step 2: Convert to fraction form
    3,045.45/4,202.81 = 1,719.17/x
  3. Step 3: Cross multiply
    3,045.45x = 4,202.81 × 1,719.17
  4. Step 4: Simplify right side
    3,045.45x = 7,225,344.87
  5. Step 5: Solve for x
    x = 7,225,344.87/3,045.45
  6. Step 6: Final answer
    x = 2,372.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.