Home / 1,769.76-2,442.54-1,349.40

Finding the Fourth Proportional to 1,769.76, 2,442.54 and 1,349.40

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Solution

The fourth proportional to 1,769.76, 2,442.54 and 1,349.40 is: 1,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.76 : 2,442.54 = 1,349.40 : x
  2. Step 2: Convert to fraction form
    1,769.76/2,442.54 = 1,349.40/x
  3. Step 3: Cross multiply
    1,769.76x = 2,442.54 × 1,349.40
  4. Step 4: Simplify right side
    1,769.76x = 3,295,963.48
  5. Step 5: Solve for x
    x = 3,295,963.48/1,769.76
  6. Step 6: Final answer
    x = 1,862.38

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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.