Home / 1,860.21-2,567.13-1,114.95

Finding the Fourth Proportional to 1,860.21, 2,567.13 and 1,114.95

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Solution

The fourth proportional to 1,860.21, 2,567.13 and 1,114.95 is: 1,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.21 : 2,567.13 = 1,114.95 : x
  2. Step 2: Convert to fraction form
    1,860.21/2,567.13 = 1,114.95/x
  3. Step 3: Cross multiply
    1,860.21x = 2,567.13 × 1,114.95
  4. Step 4: Simplify right side
    1,860.21x = 2,862,221.59
  5. Step 5: Solve for x
    x = 2,862,221.59/1,860.21
  6. Step 6: Final answer
    x = 1,538.66

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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.