Home / 2,980.53-4,467.75-1,031.07

Finding the Fourth Proportional to 2,980.53, 4,467.75 and 1,031.07

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Solution

The fourth proportional to 2,980.53, 4,467.75 and 1,031.07 is: 1,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.53 : 4,467.75 = 1,031.07 : x
  2. Step 2: Convert to fraction form
    2,980.53/4,467.75 = 1,031.07/x
  3. Step 3: Cross multiply
    2,980.53x = 4,467.75 × 1,031.07
  4. Step 4: Simplify right side
    2,980.53x = 4,606,562.99
  5. Step 5: Solve for x
    x = 4,606,562.99/2,980.53
  6. Step 6: Final answer
    x = 1,545.55

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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.