Home / 2,953.75-4,431.29-1,005.91

Finding the Fourth Proportional to 2,953.75, 4,431.29 and 1,005.91

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Solution

The fourth proportional to 2,953.75, 4,431.29 and 1,005.91 is: 1,509.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.75 : 4,431.29 = 1,005.91 : x
  2. Step 2: Convert to fraction form
    2,953.75/4,431.29 = 1,005.91/x
  3. Step 3: Cross multiply
    2,953.75x = 4,431.29 × 1,005.91
  4. Step 4: Simplify right side
    2,953.75x = 4,457,478.92
  5. Step 5: Solve for x
    x = 4,457,478.92/2,953.75
  6. Step 6: Final answer
    x = 1,509.09

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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.