Home / 3,026.40-4,539.60-2,807.70

Finding the Fourth Proportional to 3,026.40, 4,539.60 and 2,807.70

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Solution

The fourth proportional to 3,026.40, 4,539.60 and 2,807.70 is: 4,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.40 : 4,539.60 = 2,807.70 : x
  2. Step 2: Convert to fraction form
    3,026.40/4,539.60 = 2,807.70/x
  3. Step 3: Cross multiply
    3,026.40x = 4,539.60 × 2,807.70
  4. Step 4: Simplify right side
    3,026.40x = 12,745,834.92
  5. Step 5: Solve for x
    x = 12,745,834.92/3,026.40
  6. Step 6: Final answer
    x = 4,211.55

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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.