Home / 1,859.09-2,790.45-1,037.95

Finding the Fourth Proportional to 1,859.09, 2,790.45 and 1,037.95

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Solution

The fourth proportional to 1,859.09, 2,790.45 and 1,037.95 is: 1,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.09 : 2,790.45 = 1,037.95 : x
  2. Step 2: Convert to fraction form
    1,859.09/2,790.45 = 1,037.95/x
  3. Step 3: Cross multiply
    1,859.09x = 2,790.45 × 1,037.95
  4. Step 4: Simplify right side
    1,859.09x = 2,896,340.60
  5. Step 5: Solve for x
    x = 2,896,340.60/1,859.09
  6. Step 6: Final answer
    x = 1,557.94

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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.