Home / 2,977.60-4,466.91-1,029.28

Finding the Fourth Proportional to 2,977.60, 4,466.91 and 1,029.28

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Solution

The fourth proportional to 2,977.60, 4,466.91 and 1,029.28 is: 1,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.60 : 4,466.91 = 1,029.28 : x
  2. Step 2: Convert to fraction form
    2,977.60/4,466.91 = 1,029.28/x
  3. Step 3: Cross multiply
    2,977.60x = 4,466.91 × 1,029.28
  4. Step 4: Simplify right side
    2,977.60x = 4,597,701.12
  5. Step 5: Solve for x
    x = 4,597,701.12/2,977.60
  6. Step 6: Final answer
    x = 1,544.10

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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.