Home / 3,057.80-4,586.70-1,963.40

Finding the Fourth Proportional to 3,057.80, 4,586.70 and 1,963.40

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Solution

The fourth proportional to 3,057.80, 4,586.70 and 1,963.40 is: 2,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.80 : 4,586.70 = 1,963.40 : x
  2. Step 2: Convert to fraction form
    3,057.80/4,586.70 = 1,963.40/x
  3. Step 3: Cross multiply
    3,057.80x = 4,586.70 × 1,963.40
  4. Step 4: Simplify right side
    3,057.80x = 9,005,526.78
  5. Step 5: Solve for x
    x = 9,005,526.78/3,057.80
  6. Step 6: Final answer
    x = 2,945.10

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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.