Home / 2,259.65-3,390.32-1,026.20

Finding the Fourth Proportional to 2,259.65, 3,390.32 and 1,026.20

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Solution

The fourth proportional to 2,259.65, 3,390.32 and 1,026.20 is: 1,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.65 : 3,390.32 = 1,026.20 : x
  2. Step 2: Convert to fraction form
    2,259.65/3,390.32 = 1,026.20/x
  3. Step 3: Cross multiply
    2,259.65x = 3,390.32 × 1,026.20
  4. Step 4: Simplify right side
    2,259.65x = 3,479,157.43
  5. Step 5: Solve for x
    x = 3,479,157.43/2,259.65
  6. Step 6: Final answer
    x = 1,539.69

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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.