Home / 1,923.34-2,654.01-1,137.28

Finding the Fourth Proportional to 1,923.34, 2,654.01 and 1,137.28

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Solution

The fourth proportional to 1,923.34, 2,654.01 and 1,137.28 is: 1,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.34 : 2,654.01 = 1,137.28 : x
  2. Step 2: Convert to fraction form
    1,923.34/2,654.01 = 1,137.28/x
  3. Step 3: Cross multiply
    1,923.34x = 2,654.01 × 1,137.28
  4. Step 4: Simplify right side
    1,923.34x = 3,018,352.49
  5. Step 5: Solve for x
    x = 3,018,352.49/1,923.34
  6. Step 6: Final answer
    x = 1,569.33

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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.