Home / 3,541.30-5,310.60-1,075.30

Finding the Fourth Proportional to 3,541.30, 5,310.60 and 1,075.30

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Solution

The fourth proportional to 3,541.30, 5,310.60 and 1,075.30 is: 1,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.30 : 5,310.60 = 1,075.30 : x
  2. Step 2: Convert to fraction form
    3,541.30/5,310.60 = 1,075.30/x
  3. Step 3: Cross multiply
    3,541.30x = 5,310.60 × 1,075.30
  4. Step 4: Simplify right side
    3,541.30x = 5,710,488.18
  5. Step 5: Solve for x
    x = 5,710,488.18/3,541.30
  6. Step 6: Final answer
    x = 1,612.54

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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.