Home / 1,554.55-2,144.62-1,029.67

Finding the Fourth Proportional to 1,554.55, 2,144.62 and 1,029.67

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Solution

The fourth proportional to 1,554.55, 2,144.62 and 1,029.67 is: 1,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.55 : 2,144.62 = 1,029.67 : x
  2. Step 2: Convert to fraction form
    1,554.55/2,144.62 = 1,029.67/x
  3. Step 3: Cross multiply
    1,554.55x = 2,144.62 × 1,029.67
  4. Step 4: Simplify right side
    1,554.55x = 2,208,235.00
  5. Step 5: Solve for x
    x = 2,208,235.00/1,554.55
  6. Step 6: Final answer
    x = 1,420.50

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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.