Home / 2,690.06-4,038.34-1,595.66

Finding the Fourth Proportional to 2,690.06, 4,038.34 and 1,595.66

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Solution

The fourth proportional to 2,690.06, 4,038.34 and 1,595.66 is: 2,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.06 : 4,038.34 = 1,595.66 : x
  2. Step 2: Convert to fraction form
    2,690.06/4,038.34 = 1,595.66/x
  3. Step 3: Cross multiply
    2,690.06x = 4,038.34 × 1,595.66
  4. Step 4: Simplify right side
    2,690.06x = 6,443,817.60
  5. Step 5: Solve for x
    x = 6,443,817.60/2,690.06
  6. Step 6: Final answer
    x = 2,395.42

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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.