Home / 2,360.64-3,541.50-1,128.36

Finding the Fourth Proportional to 2,360.64, 3,541.50 and 1,128.36

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Solution

The fourth proportional to 2,360.64, 3,541.50 and 1,128.36 is: 1,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.64 : 3,541.50 = 1,128.36 : x
  2. Step 2: Convert to fraction form
    2,360.64/3,541.50 = 1,128.36/x
  3. Step 3: Cross multiply
    2,360.64x = 3,541.50 × 1,128.36
  4. Step 4: Simplify right side
    2,360.64x = 3,996,086.94
  5. Step 5: Solve for x
    x = 3,996,086.94/2,360.64
  6. Step 6: Final answer
    x = 1,692.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.