Home / 3,015.30-4,521.33-1,259.22

Finding the Fourth Proportional to 3,015.30, 4,521.33 and 1,259.22

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Solution

The fourth proportional to 3,015.30, 4,521.33 and 1,259.22 is: 1,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.30 : 4,521.33 = 1,259.22 : x
  2. Step 2: Convert to fraction form
    3,015.30/4,521.33 = 1,259.22/x
  3. Step 3: Cross multiply
    3,015.30x = 4,521.33 × 1,259.22
  4. Step 4: Simplify right side
    3,015.30x = 5,693,349.16
  5. Step 5: Solve for x
    x = 5,693,349.16/3,015.30
  6. Step 6: Final answer
    x = 1,888.15

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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.