Home / 1,860.03-2,790.59-1,038.92

Finding the Fourth Proportional to 1,860.03, 2,790.59 and 1,038.92

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Solution

The fourth proportional to 1,860.03, 2,790.59 and 1,038.92 is: 1,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.03 : 2,790.59 = 1,038.92 : x
  2. Step 2: Convert to fraction form
    1,860.03/2,790.59 = 1,038.92/x
  3. Step 3: Cross multiply
    1,860.03x = 2,790.59 × 1,038.92
  4. Step 4: Simplify right side
    1,860.03x = 2,899,180.62
  5. Step 5: Solve for x
    x = 2,899,180.62/1,860.03
  6. Step 6: Final answer
    x = 1,558.67

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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.