Home / 3,918.17-5,870.64-1,941.16

Finding the Fourth Proportional to 3,918.17, 5,870.64 and 1,941.16

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Solution

The fourth proportional to 3,918.17, 5,870.64 and 1,941.16 is: 2,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.17 : 5,870.64 = 1,941.16 : x
  2. Step 2: Convert to fraction form
    3,918.17/5,870.64 = 1,941.16/x
  3. Step 3: Cross multiply
    3,918.17x = 5,870.64 × 1,941.16
  4. Step 4: Simplify right side
    3,918.17x = 11,395,851.54
  5. Step 5: Solve for x
    x = 11,395,851.54/3,918.17
  6. Step 6: Final answer
    x = 2,908.46

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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.