Home / 3,985.01-5,977.46-1,792.19

Finding the Fourth Proportional to 3,985.01, 5,977.46 and 1,792.19

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Solution

The fourth proportional to 3,985.01, 5,977.46 and 1,792.19 is: 2,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.01 : 5,977.46 = 1,792.19 : x
  2. Step 2: Convert to fraction form
    3,985.01/5,977.46 = 1,792.19/x
  3. Step 3: Cross multiply
    3,985.01x = 5,977.46 × 1,792.19
  4. Step 4: Simplify right side
    3,985.01x = 10,712,705.19
  5. Step 5: Solve for x
    x = 10,712,705.19/3,985.01
  6. Step 6: Final answer
    x = 2,688.25

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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.