Home / 1,865.02-2,573.79-1,025.82

Finding the Fourth Proportional to 1,865.02, 2,573.79 and 1,025.82

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Solution

The fourth proportional to 1,865.02, 2,573.79 and 1,025.82 is: 1,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.02 : 2,573.79 = 1,025.82 : x
  2. Step 2: Convert to fraction form
    1,865.02/2,573.79 = 1,025.82/x
  3. Step 3: Cross multiply
    1,865.02x = 2,573.79 × 1,025.82
  4. Step 4: Simplify right side
    1,865.02x = 2,640,245.26
  5. Step 5: Solve for x
    x = 2,640,245.26/1,865.02
  6. Step 6: Final answer
    x = 1,415.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.