Home / 2,989.32-4,484.10-1,041.72

Finding the Fourth Proportional to 2,989.32, 4,484.10 and 1,041.72

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Solution

The fourth proportional to 2,989.32, 4,484.10 and 1,041.72 is: 1,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.32 : 4,484.10 = 1,041.72 : x
  2. Step 2: Convert to fraction form
    2,989.32/4,484.10 = 1,041.72/x
  3. Step 3: Cross multiply
    2,989.32x = 4,484.10 × 1,041.72
  4. Step 4: Simplify right side
    2,989.32x = 4,671,176.65
  5. Step 5: Solve for x
    x = 4,671,176.65/2,989.32
  6. Step 6: Final answer
    x = 1,562.62

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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.