Home / 1,554.03-2,143.98-1,029.75

Finding the Fourth Proportional to 1,554.03, 2,143.98 and 1,029.75

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Solution

The fourth proportional to 1,554.03, 2,143.98 and 1,029.75 is: 1,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.03 : 2,143.98 = 1,029.75 : x
  2. Step 2: Convert to fraction form
    1,554.03/2,143.98 = 1,029.75/x
  3. Step 3: Cross multiply
    1,554.03x = 2,143.98 × 1,029.75
  4. Step 4: Simplify right side
    1,554.03x = 2,207,763.41
  5. Step 5: Solve for x
    x = 2,207,763.41/1,554.03
  6. Step 6: Final answer
    x = 1,420.67

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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.