Home / 2,847.48-3,929.54-1,588.62

Finding the Fourth Proportional to 2,847.48, 3,929.54 and 1,588.62

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Solution

The fourth proportional to 2,847.48, 3,929.54 and 1,588.62 is: 2,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.48 : 3,929.54 = 1,588.62 : x
  2. Step 2: Convert to fraction form
    2,847.48/3,929.54 = 1,588.62/x
  3. Step 3: Cross multiply
    2,847.48x = 3,929.54 × 1,588.62
  4. Step 4: Simplify right side
    2,847.48x = 6,242,545.83
  5. Step 5: Solve for x
    x = 6,242,545.83/2,847.48
  6. Step 6: Final answer
    x = 2,192.31

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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.