Home / 1,669.24-2,503.90-573.40

Finding the Fourth Proportional to 1,669.24, 2,503.90 and 573.40

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Solution

The fourth proportional to 1,669.24, 2,503.90 and 573.40 is: 860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.24 : 2,503.90 = 573.40 : x
  2. Step 2: Convert to fraction form
    1,669.24/2,503.90 = 573.40/x
  3. Step 3: Cross multiply
    1,669.24x = 2,503.90 × 573.40
  4. Step 4: Simplify right side
    1,669.24x = 1,435,736.26
  5. Step 5: Solve for x
    x = 1,435,736.26/1,669.24
  6. Step 6: Final answer
    x = 860.11

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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.