Home / 3,586.10-4,946.40-2,188.85

Finding the Fourth Proportional to 3,586.10, 4,946.40 and 2,188.85

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Solution

The fourth proportional to 3,586.10, 4,946.40 and 2,188.85 is: 3,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.10 : 4,946.40 = 2,188.85 : x
  2. Step 2: Convert to fraction form
    3,586.10/4,946.40 = 2,188.85/x
  3. Step 3: Cross multiply
    3,586.10x = 4,946.40 × 2,188.85
  4. Step 4: Simplify right side
    3,586.10x = 10,826,902.91
  5. Step 5: Solve for x
    x = 10,826,902.91/3,586.10
  6. Step 6: Final answer
    x = 3,019.13

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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.