Home / 2,182.65-3,011.60-1,298.28

Finding the Fourth Proportional to 2,182.65, 3,011.60 and 1,298.28

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Solution

The fourth proportional to 2,182.65, 3,011.60 and 1,298.28 is: 1,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.65 : 3,011.60 = 1,298.28 : x
  2. Step 2: Convert to fraction form
    2,182.65/3,011.60 = 1,298.28/x
  3. Step 3: Cross multiply
    2,182.65x = 3,011.60 × 1,298.28
  4. Step 4: Simplify right side
    2,182.65x = 3,909,907.28
  5. Step 5: Solve for x
    x = 3,909,907.28/2,182.65
  6. Step 6: Final answer
    x = 1,791.36

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1.5x scale

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.