Home / 1,860.63-2,567.25-1,263.21

Finding the Fourth Proportional to 1,860.63, 2,567.25 and 1,263.21

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Solution

The fourth proportional to 1,860.63, 2,567.25 and 1,263.21 is: 1,742.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.63 : 2,567.25 = 1,263.21 : x
  2. Step 2: Convert to fraction form
    1,860.63/2,567.25 = 1,263.21/x
  3. Step 3: Cross multiply
    1,860.63x = 2,567.25 × 1,263.21
  4. Step 4: Simplify right side
    1,860.63x = 3,242,975.87
  5. Step 5: Solve for x
    x = 3,242,975.87/1,860.63
  6. Step 6: Final answer
    x = 1,742.95

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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.