Home / 1,576.58-2,176.61-1,045.62

Finding the Fourth Proportional to 1,576.58, 2,176.61 and 1,045.62

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Solution

The fourth proportional to 1,576.58, 2,176.61 and 1,045.62 is: 1,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.58 : 2,176.61 = 1,045.62 : x
  2. Step 2: Convert to fraction form
    1,576.58/2,176.61 = 1,045.62/x
  3. Step 3: Cross multiply
    1,576.58x = 2,176.61 × 1,045.62
  4. Step 4: Simplify right side
    1,576.58x = 2,275,901.72
  5. Step 5: Solve for x
    x = 2,275,901.72/1,576.58
  6. Step 6: Final answer
    x = 1,443.57

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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.