Home / 3,026.20-4,539.30-1,986.70

Finding the Fourth Proportional to 3,026.20, 4,539.30 and 1,986.70

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Solution

The fourth proportional to 3,026.20, 4,539.30 and 1,986.70 is: 2,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.20 : 4,539.30 = 1,986.70 : x
  2. Step 2: Convert to fraction form
    3,026.20/4,539.30 = 1,986.70/x
  3. Step 3: Cross multiply
    3,026.20x = 4,539.30 × 1,986.70
  4. Step 4: Simplify right side
    3,026.20x = 9,018,227.31
  5. Step 5: Solve for x
    x = 9,018,227.31/3,026.20
  6. Step 6: Final answer
    x = 2,980.05

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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.