Home / 2,977.24-4,459.38-1,435

Finding the Fourth Proportional to 2,977.24, 4,459.38 and 1,435

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Solution

The fourth proportional to 2,977.24, 4,459.38 and 1,435 is: 2,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.24 : 4,459.38 = 1,435 : x
  2. Step 2: Convert to fraction form
    2,977.24/4,459.38 = 1,435/x
  3. Step 3: Cross multiply
    2,977.24x = 4,459.38 × 1,435
  4. Step 4: Simplify right side
    2,977.24x = 6,399,210.30
  5. Step 5: Solve for x
    x = 6,399,210.30/2,977.24
  6. Step 6: Final answer
    x = 2,149.38

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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.