Home / 1,477.99-2,217.50-986.37

Finding the Fourth Proportional to 1,477.99, 2,217.50 and 986.37

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Solution

The fourth proportional to 1,477.99, 2,217.50 and 986.37 is: 1,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.99 : 2,217.50 = 986.37 : x
  2. Step 2: Convert to fraction form
    1,477.99/2,217.50 = 986.37/x
  3. Step 3: Cross multiply
    1,477.99x = 2,217.50 × 986.37
  4. Step 4: Simplify right side
    1,477.99x = 2,187,275.48
  5. Step 5: Solve for x
    x = 2,187,275.48/1,477.99
  6. Step 6: Final answer
    x = 1,479.90

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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.