Home / 1,860.06-2,790.99-1,038.36

Finding the Fourth Proportional to 1,860.06, 2,790.99 and 1,038.36

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Solution

The fourth proportional to 1,860.06, 2,790.99 and 1,038.36 is: 1,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.06 : 2,790.99 = 1,038.36 : x
  2. Step 2: Convert to fraction form
    1,860.06/2,790.99 = 1,038.36/x
  3. Step 3: Cross multiply
    1,860.06x = 2,790.99 × 1,038.36
  4. Step 4: Simplify right side
    1,860.06x = 2,898,052.38
  5. Step 5: Solve for x
    x = 2,898,052.38/1,860.06
  6. Step 6: Final answer
    x = 1,558.04

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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.