Home / 3,045.69-4,203.03-1,719.35

Finding the Fourth Proportional to 3,045.69, 4,203.03 and 1,719.35

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Solution

The fourth proportional to 3,045.69, 4,203.03 and 1,719.35 is: 2,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.69 : 4,203.03 = 1,719.35 : x
  2. Step 2: Convert to fraction form
    3,045.69/4,203.03 = 1,719.35/x
  3. Step 3: Cross multiply
    3,045.69x = 4,203.03 × 1,719.35
  4. Step 4: Simplify right side
    3,045.69x = 7,226,496.59
  5. Step 5: Solve for x
    x = 7,226,496.59/3,045.69
  6. Step 6: Final answer
    x = 2,372.69

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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.