Home / 2,989.24-4,483.76-1,430.33

Finding the Fourth Proportional to 2,989.24, 4,483.76 and 1,430.33

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Solution

The fourth proportional to 2,989.24, 4,483.76 and 1,430.33 is: 2,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.24 : 4,483.76 = 1,430.33 : x
  2. Step 2: Convert to fraction form
    2,989.24/4,483.76 = 1,430.33/x
  3. Step 3: Cross multiply
    2,989.24x = 4,483.76 × 1,430.33
  4. Step 4: Simplify right side
    2,989.24x = 6,413,226.87
  5. Step 5: Solve for x
    x = 6,413,226.87/2,989.24
  6. Step 6: Final answer
    x = 2,145.44

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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.