Home / 4,070.32-6,102.75-2,123.89

Finding the Fourth Proportional to 4,070.32, 6,102.75 and 2,123.89

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Solution

The fourth proportional to 4,070.32, 6,102.75 and 2,123.89 is: 3,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.32 : 6,102.75 = 2,123.89 : x
  2. Step 2: Convert to fraction form
    4,070.32/6,102.75 = 2,123.89/x
  3. Step 3: Cross multiply
    4,070.32x = 6,102.75 × 2,123.89
  4. Step 4: Simplify right side
    4,070.32x = 12,961,569.70
  5. Step 5: Solve for x
    x = 12,961,569.70/4,070.32
  6. Step 6: Final answer
    x = 3,184.41

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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.