Home / 2,692.06-4,038.35-1,048.74

Finding the Fourth Proportional to 2,692.06, 4,038.35 and 1,048.74

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Solution

The fourth proportional to 2,692.06, 4,038.35 and 1,048.74 is: 1,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.06 : 4,038.35 = 1,048.74 : x
  2. Step 2: Convert to fraction form
    2,692.06/4,038.35 = 1,048.74/x
  3. Step 3: Cross multiply
    2,692.06x = 4,038.35 × 1,048.74
  4. Step 4: Simplify right side
    2,692.06x = 4,235,179.18
  5. Step 5: Solve for x
    x = 4,235,179.18/2,692.06
  6. Step 6: Final answer
    x = 1,573.21

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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.