Home / 2,504.20-3,746.70-1,640.20

Finding the Fourth Proportional to 2,504.20, 3,746.70 and 1,640.20

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Solution

The fourth proportional to 2,504.20, 3,746.70 and 1,640.20 is: 2,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.20 : 3,746.70 = 1,640.20 : x
  2. Step 2: Convert to fraction form
    2,504.20/3,746.70 = 1,640.20/x
  3. Step 3: Cross multiply
    2,504.20x = 3,746.70 × 1,640.20
  4. Step 4: Simplify right side
    2,504.20x = 6,145,337.34
  5. Step 5: Solve for x
    x = 6,145,337.34/2,504.20
  6. Step 6: Final answer
    x = 2,454.01

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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.