Home / 1,723.37-2,567.93-1,639.68

Finding the Fourth Proportional to 1,723.37, 2,567.93 and 1,639.68

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Solution

The fourth proportional to 1,723.37, 2,567.93 and 1,639.68 is: 2,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.37 : 2,567.93 = 1,639.68 : x
  2. Step 2: Convert to fraction form
    1,723.37/2,567.93 = 1,639.68/x
  3. Step 3: Cross multiply
    1,723.37x = 2,567.93 × 1,639.68
  4. Step 4: Simplify right side
    1,723.37x = 4,210,575.26
  5. Step 5: Solve for x
    x = 4,210,575.26/1,723.37
  6. Step 6: Final answer
    x = 2,443.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.