Home / 2,900.85-4,351.55-1,052.43

Finding the Fourth Proportional to 2,900.85, 4,351.55 and 1,052.43

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Solution

The fourth proportional to 2,900.85, 4,351.55 and 1,052.43 is: 1,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.85 : 4,351.55 = 1,052.43 : x
  2. Step 2: Convert to fraction form
    2,900.85/4,351.55 = 1,052.43/x
  3. Step 3: Cross multiply
    2,900.85x = 4,351.55 × 1,052.43
  4. Step 4: Simplify right side
    2,900.85x = 4,579,701.77
  5. Step 5: Solve for x
    x = 4,579,701.77/2,900.85
  6. Step 6: Final answer
    x = 1,578.74

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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.