Home / 2,847.64-3,929.73-1,588.69

Finding the Fourth Proportional to 2,847.64, 3,929.73 and 1,588.69

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Solution

The fourth proportional to 2,847.64, 3,929.73 and 1,588.69 is: 2,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.64 : 3,929.73 = 1,588.69 : x
  2. Step 2: Convert to fraction form
    2,847.64/3,929.73 = 1,588.69/x
  3. Step 3: Cross multiply
    2,847.64x = 3,929.73 × 1,588.69
  4. Step 4: Simplify right side
    2,847.64x = 6,243,136.11
  5. Step 5: Solve for x
    x = 6,243,136.11/2,847.64
  6. Step 6: Final answer
    x = 2,192.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.