Home / 1,576.04-2,172.18-1,395.02

Finding the Fourth Proportional to 1,576.04, 2,172.18 and 1,395.02

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Solution

The fourth proportional to 1,576.04, 2,172.18 and 1,395.02 is: 1,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.04 : 2,172.18 = 1,395.02 : x
  2. Step 2: Convert to fraction form
    1,576.04/2,172.18 = 1,395.02/x
  3. Step 3: Cross multiply
    1,576.04x = 2,172.18 × 1,395.02
  4. Step 4: Simplify right side
    1,576.04x = 3,030,234.54
  5. Step 5: Solve for x
    x = 3,030,234.54/1,576.04
  6. Step 6: Final answer
    x = 1,922.69

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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.