Home / 1,916.21-2,873.23-1,136.32

Finding the Fourth Proportional to 1,916.21, 2,873.23 and 1,136.32

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Solution

The fourth proportional to 1,916.21, 2,873.23 and 1,136.32 is: 1,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.21 : 2,873.23 = 1,136.32 : x
  2. Step 2: Convert to fraction form
    1,916.21/2,873.23 = 1,136.32/x
  3. Step 3: Cross multiply
    1,916.21x = 2,873.23 × 1,136.32
  4. Step 4: Simplify right side
    1,916.21x = 3,264,908.71
  5. Step 5: Solve for x
    x = 3,264,908.71/1,916.21
  6. Step 6: Final answer
    x = 1,703.84

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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.