Home / 3,792.60-5,237.02-2,378.66

Finding the Fourth Proportional to 3,792.60, 5,237.02 and 2,378.66

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Solution

The fourth proportional to 3,792.60, 5,237.02 and 2,378.66 is: 3,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.60 : 5,237.02 = 2,378.66 : x
  2. Step 2: Convert to fraction form
    3,792.60/5,237.02 = 2,378.66/x
  3. Step 3: Cross multiply
    3,792.60x = 5,237.02 × 2,378.66
  4. Step 4: Simplify right side
    3,792.60x = 12,457,089.99
  5. Step 5: Solve for x
    x = 12,457,089.99/3,792.60
  6. Step 6: Final answer
    x = 3,284.58

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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.