Home / 2,911.19-4,018.45-1,732.23

Finding the Fourth Proportional to 2,911.19, 4,018.45 and 1,732.23

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Solution

The fourth proportional to 2,911.19, 4,018.45 and 1,732.23 is: 2,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.19 : 4,018.45 = 1,732.23 : x
  2. Step 2: Convert to fraction form
    2,911.19/4,018.45 = 1,732.23/x
  3. Step 3: Cross multiply
    2,911.19x = 4,018.45 × 1,732.23
  4. Step 4: Simplify right side
    2,911.19x = 6,960,894.02
  5. Step 5: Solve for x
    x = 6,960,894.02/2,911.19
  6. Step 6: Final answer
    x = 2,391.08

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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.