Home / 1,769.63-2,442.65-1,582.79

Finding the Fourth Proportional to 1,769.63, 2,442.65 and 1,582.79

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Solution

The fourth proportional to 1,769.63, 2,442.65 and 1,582.79 is: 2,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.63 : 2,442.65 = 1,582.79 : x
  2. Step 2: Convert to fraction form
    1,769.63/2,442.65 = 1,582.79/x
  3. Step 3: Cross multiply
    1,769.63x = 2,442.65 × 1,582.79
  4. Step 4: Simplify right side
    1,769.63x = 3,866,181.87
  5. Step 5: Solve for x
    x = 3,866,181.87/1,769.63
  6. Step 6: Final answer
    x = 2,184.75

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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.