Home / 2,077.20-3,108.60-1,904.40

Finding the Fourth Proportional to 2,077.20, 3,108.60 and 1,904.40

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Solution

The fourth proportional to 2,077.20, 3,108.60 and 1,904.40 is: 2,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.20 : 3,108.60 = 1,904.40 : x
  2. Step 2: Convert to fraction form
    2,077.20/3,108.60 = 1,904.40/x
  3. Step 3: Cross multiply
    2,077.20x = 3,108.60 × 1,904.40
  4. Step 4: Simplify right side
    2,077.20x = 5,920,017.84
  5. Step 5: Solve for x
    x = 5,920,017.84/2,077.20
  6. Step 6: Final answer
    x = 2,850.00

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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.