Home / 3,683.04-5,079.54-2,487.61

Finding the Fourth Proportional to 3,683.04, 5,079.54 and 2,487.61

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Solution

The fourth proportional to 3,683.04, 5,079.54 and 2,487.61 is: 3,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.04 : 5,079.54 = 2,487.61 : x
  2. Step 2: Convert to fraction form
    3,683.04/5,079.54 = 2,487.61/x
  3. Step 3: Cross multiply
    3,683.04x = 5,079.54 × 2,487.61
  4. Step 4: Simplify right side
    3,683.04x = 12,635,914.50
  5. Step 5: Solve for x
    x = 12,635,914.50/3,683.04
  6. Step 6: Final answer
    x = 3,430.84

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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.