Home / 2,559.63-3,530.40-1,763.21

Finding the Fourth Proportional to 2,559.63, 3,530.40 and 1,763.21

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Solution

The fourth proportional to 2,559.63, 3,530.40 and 1,763.21 is: 2,431.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.63 : 3,530.40 = 1,763.21 : x
  2. Step 2: Convert to fraction form
    2,559.63/3,530.40 = 1,763.21/x
  3. Step 3: Cross multiply
    2,559.63x = 3,530.40 × 1,763.21
  4. Step 4: Simplify right side
    2,559.63x = 6,224,836.58
  5. Step 5: Solve for x
    x = 6,224,836.58/2,559.63
  6. Step 6: Final answer
    x = 2,431.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.