Home / 2,989.31-4,483.99-1,041.51

Finding the Fourth Proportional to 2,989.31, 4,483.99 and 1,041.51

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Solution

The fourth proportional to 2,989.31, 4,483.99 and 1,041.51 is: 1,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.31 : 4,483.99 = 1,041.51 : x
  2. Step 2: Convert to fraction form
    2,989.31/4,483.99 = 1,041.51/x
  3. Step 3: Cross multiply
    2,989.31x = 4,483.99 × 1,041.51
  4. Step 4: Simplify right side
    2,989.31x = 4,670,120.42
  5. Step 5: Solve for x
    x = 4,670,120.42/2,989.31
  6. Step 6: Final answer
    x = 1,562.27

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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.