Home / 2,779.94-4,168.28-1,480.70

Finding the Fourth Proportional to 2,779.94, 4,168.28 and 1,480.70

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Solution

The fourth proportional to 2,779.94, 4,168.28 and 1,480.70 is: 2,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.94 : 4,168.28 = 1,480.70 : x
  2. Step 2: Convert to fraction form
    2,779.94/4,168.28 = 1,480.70/x
  3. Step 3: Cross multiply
    2,779.94x = 4,168.28 × 1,480.70
  4. Step 4: Simplify right side
    2,779.94x = 6,171,972.20
  5. Step 5: Solve for x
    x = 6,171,972.20/2,779.94
  6. Step 6: Final answer
    x = 2,220.18

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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.