Home / 2,154.81-2,974.53-1,525.44

Finding the Fourth Proportional to 2,154.81, 2,974.53 and 1,525.44

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Solution

The fourth proportional to 2,154.81, 2,974.53 and 1,525.44 is: 2,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.81 : 2,974.53 = 1,525.44 : x
  2. Step 2: Convert to fraction form
    2,154.81/2,974.53 = 1,525.44/x
  3. Step 3: Cross multiply
    2,154.81x = 2,974.53 × 1,525.44
  4. Step 4: Simplify right side
    2,154.81x = 4,537,467.04
  5. Step 5: Solve for x
    x = 4,537,467.04/2,154.81
  6. Step 6: Final answer
    x = 2,105.74

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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.