Home / 2,905.80-4,358.70-2,595.98

Finding the Fourth Proportional to 2,905.80, 4,358.70 and 2,595.98

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Solution

The fourth proportional to 2,905.80, 4,358.70 and 2,595.98 is: 3,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.80 : 4,358.70 = 2,595.98 : x
  2. Step 2: Convert to fraction form
    2,905.80/4,358.70 = 2,595.98/x
  3. Step 3: Cross multiply
    2,905.80x = 4,358.70 × 2,595.98
  4. Step 4: Simplify right side
    2,905.80x = 11,315,076.23
  5. Step 5: Solve for x
    x = 11,315,076.23/2,905.80
  6. Step 6: Final answer
    x = 3,893.96

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1.5x scale

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.