Home / 1,941.15-2,911.82-554.58

Finding the Fourth Proportional to 1,941.15, 2,911.82 and 554.58

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Solution

The fourth proportional to 1,941.15, 2,911.82 and 554.58 is: 831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.15 : 2,911.82 = 554.58 : x
  2. Step 2: Convert to fraction form
    1,941.15/2,911.82 = 554.58/x
  3. Step 3: Cross multiply
    1,941.15x = 2,911.82 × 554.58
  4. Step 4: Simplify right side
    1,941.15x = 1,614,834.36
  5. Step 5: Solve for x
    x = 1,614,834.36/1,941.15
  6. Step 6: Final answer
    x = 831.90

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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.