Home / 1,941.62-2,912.89-554.98

Finding the Fourth Proportional to 1,941.62, 2,912.89 and 554.98

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Solution

The fourth proportional to 1,941.62, 2,912.89 and 554.98 is: 832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.62 : 2,912.89 = 554.98 : x
  2. Step 2: Convert to fraction form
    1,941.62/2,912.89 = 554.98/x
  3. Step 3: Cross multiply
    1,941.62x = 2,912.89 × 554.98
  4. Step 4: Simplify right side
    1,941.62x = 1,616,587.02
  5. Step 5: Solve for x
    x = 1,616,587.02/1,941.62
  6. Step 6: Final answer
    x = 832.60

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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.