Home / 1,881.38-2,596.61-1,798.32

Finding the Fourth Proportional to 1,881.38, 2,596.61 and 1,798.32

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Solution

The fourth proportional to 1,881.38, 2,596.61 and 1,798.32 is: 2,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.38 : 2,596.61 = 1,798.32 : x
  2. Step 2: Convert to fraction form
    1,881.38/2,596.61 = 1,798.32/x
  3. Step 3: Cross multiply
    1,881.38x = 2,596.61 × 1,798.32
  4. Step 4: Simplify right side
    1,881.38x = 4,669,526.70
  5. Step 5: Solve for x
    x = 4,669,526.70/1,881.38
  6. Step 6: Final answer
    x = 2,481.98

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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.