Home / 2,868.51-4,303.26-1,020.69

Finding the Fourth Proportional to 2,868.51, 4,303.26 and 1,020.69

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Solution

The fourth proportional to 2,868.51, 4,303.26 and 1,020.69 is: 1,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.51 : 4,303.26 = 1,020.69 : x
  2. Step 2: Convert to fraction form
    2,868.51/4,303.26 = 1,020.69/x
  3. Step 3: Cross multiply
    2,868.51x = 4,303.26 × 1,020.69
  4. Step 4: Simplify right side
    2,868.51x = 4,392,294.45
  5. Step 5: Solve for x
    x = 4,392,294.45/2,868.51
  6. Step 6: Final answer
    x = 1,531.21

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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.