Home / 1,056.29-1,576.62-934.65

Finding the Fourth Proportional to 1,056.29, 1,576.62 and 934.65

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Solution

The fourth proportional to 1,056.29, 1,576.62 and 934.65 is: 1,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.29 : 1,576.62 = 934.65 : x
  2. Step 2: Convert to fraction form
    1,056.29/1,576.62 = 934.65/x
  3. Step 3: Cross multiply
    1,056.29x = 1,576.62 × 934.65
  4. Step 4: Simplify right side
    1,056.29x = 1,473,587.88
  5. Step 5: Solve for x
    x = 1,473,587.88/1,056.29
  6. Step 6: Final answer
    x = 1,395.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.