Home / 1,554.17-2,329.17-1,389.44

Finding the Fourth Proportional to 1,554.17, 2,329.17 and 1,389.44

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Solution

The fourth proportional to 1,554.17, 2,329.17 and 1,389.44 is: 2,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.17 : 2,329.17 = 1,389.44 : x
  2. Step 2: Convert to fraction form
    1,554.17/2,329.17 = 1,389.44/x
  3. Step 3: Cross multiply
    1,554.17x = 2,329.17 × 1,389.44
  4. Step 4: Simplify right side
    1,554.17x = 3,236,230.32
  5. Step 5: Solve for x
    x = 3,236,230.32/1,554.17
  6. Step 6: Final answer
    x = 2,082.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.