Home / 2,977.80-4,468.86-1,031.64

Finding the Fourth Proportional to 2,977.80, 4,468.86 and 1,031.64

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Solution

The fourth proportional to 2,977.80, 4,468.86 and 1,031.64 is: 1,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.80 : 4,468.86 = 1,031.64 : x
  2. Step 2: Convert to fraction form
    2,977.80/4,468.86 = 1,031.64/x
  3. Step 3: Cross multiply
    2,977.80x = 4,468.86 × 1,031.64
  4. Step 4: Simplify right side
    2,977.80x = 4,610,254.73
  5. Step 5: Solve for x
    x = 4,610,254.73/2,977.80
  6. Step 6: Final answer
    x = 1,548.21

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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.