Home / 2,981.53-4,477.29-2,669.68

Finding the Fourth Proportional to 2,981.53, 4,477.29 and 2,669.68

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Solution

The fourth proportional to 2,981.53, 4,477.29 and 2,669.68 is: 4,008.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.53 : 4,477.29 = 2,669.68 : x
  2. Step 2: Convert to fraction form
    2,981.53/4,477.29 = 2,669.68/x
  3. Step 3: Cross multiply
    2,981.53x = 4,477.29 × 2,669.68
  4. Step 4: Simplify right side
    2,981.53x = 11,952,931.57
  5. Step 5: Solve for x
    x = 11,952,931.57/2,981.53
  6. Step 6: Final answer
    x = 4,008.99

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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.