Home / 2,859.01-4,289.98-2,165.45

Finding the Fourth Proportional to 2,859.01, 4,289.98 and 2,165.45

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Solution

The fourth proportional to 2,859.01, 4,289.98 and 2,165.45 is: 3,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.01 : 4,289.98 = 2,165.45 : x
  2. Step 2: Convert to fraction form
    2,859.01/4,289.98 = 2,165.45/x
  3. Step 3: Cross multiply
    2,859.01x = 4,289.98 × 2,165.45
  4. Step 4: Simplify right side
    2,859.01x = 9,289,714.39
  5. Step 5: Solve for x
    x = 9,289,714.39/2,859.01
  6. Step 6: Final answer
    x = 3,249.28

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Double scale
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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.