Home / 3,075.90-4,615.20-1,614.71

Finding the Fourth Proportional to 3,075.90, 4,615.20 and 1,614.71

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Solution

The fourth proportional to 3,075.90, 4,615.20 and 1,614.71 is: 2,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.90 : 4,615.20 = 1,614.71 : x
  2. Step 2: Convert to fraction form
    3,075.90/4,615.20 = 1,614.71/x
  3. Step 3: Cross multiply
    3,075.90x = 4,615.20 × 1,614.71
  4. Step 4: Simplify right side
    3,075.90x = 7,452,186.52
  5. Step 5: Solve for x
    x = 7,452,186.52/3,075.90
  6. Step 6: Final answer
    x = 2,422.77

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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.