Home / 1,564.43-2,154.51-1,530.41

Finding the Fourth Proportional to 1,564.43, 2,154.51 and 1,530.41

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Solution

The fourth proportional to 1,564.43, 2,154.51 and 1,530.41 is: 2,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564.43 : 2,154.51 = 1,530.41 : x
  2. Step 2: Convert to fraction form
    1,564.43/2,154.51 = 1,530.41/x
  3. Step 3: Cross multiply
    1,564.43x = 2,154.51 × 1,530.41
  4. Step 4: Simplify right side
    1,564.43x = 3,297,283.65
  5. Step 5: Solve for x
    x = 3,297,283.65/1,564.43
  6. Step 6: Final answer
    x = 2,107.66

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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.