Home / 3,045.74-4,202.70-1,719.36

Finding the Fourth Proportional to 3,045.74, 4,202.70 and 1,719.36

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Solution

The fourth proportional to 3,045.74, 4,202.70 and 1,719.36 is: 2,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.74 : 4,202.70 = 1,719.36 : x
  2. Step 2: Convert to fraction form
    3,045.74/4,202.70 = 1,719.36/x
  3. Step 3: Cross multiply
    3,045.74x = 4,202.70 × 1,719.36
  4. Step 4: Simplify right side
    3,045.74x = 7,225,954.27
  5. Step 5: Solve for x
    x = 7,225,954.27/3,045.74
  6. Step 6: Final answer
    x = 2,372.48

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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.