Home / 1,769.76-2,442.38-1,023.72

Finding the Fourth Proportional to 1,769.76, 2,442.38 and 1,023.72

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Solution

The fourth proportional to 1,769.76, 2,442.38 and 1,023.72 is: 1,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.76 : 2,442.38 = 1,023.72 : x
  2. Step 2: Convert to fraction form
    1,769.76/2,442.38 = 1,023.72/x
  3. Step 3: Cross multiply
    1,769.76x = 2,442.38 × 1,023.72
  4. Step 4: Simplify right side
    1,769.76x = 2,500,313.25
  5. Step 5: Solve for x
    x = 2,500,313.25/1,769.76
  6. Step 6: Final answer
    x = 1,412.80

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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.