Home / 2,940.24-4,412.12-2,075.28

Finding the Fourth Proportional to 2,940.24, 4,412.12 and 2,075.28

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Solution

The fourth proportional to 2,940.24, 4,412.12 and 2,075.28 is: 3,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.24 : 4,412.12 = 2,075.28 : x
  2. Step 2: Convert to fraction form
    2,940.24/4,412.12 = 2,075.28/x
  3. Step 3: Cross multiply
    2,940.24x = 4,412.12 × 2,075.28
  4. Step 4: Simplify right side
    2,940.24x = 9,156,384.39
  5. Step 5: Solve for x
    x = 9,156,384.39/2,940.24
  6. Step 6: Final answer
    x = 3,114.16

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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.