Home / 1,860.52-2,567.46-1,021.22

Finding the Fourth Proportional to 1,860.52, 2,567.46 and 1,021.22

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Solution

The fourth proportional to 1,860.52, 2,567.46 and 1,021.22 is: 1,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.52 : 2,567.46 = 1,021.22 : x
  2. Step 2: Convert to fraction form
    1,860.52/2,567.46 = 1,021.22/x
  3. Step 3: Cross multiply
    1,860.52x = 2,567.46 × 1,021.22
  4. Step 4: Simplify right side
    1,860.52x = 2,621,928.66
  5. Step 5: Solve for x
    x = 2,621,928.66/1,860.52
  6. Step 6: Final answer
    x = 1,409.25

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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.