Home / 1,516.36-2,086.32-1,184.21

Finding the Fourth Proportional to 1,516.36, 2,086.32 and 1,184.21

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Solution

The fourth proportional to 1,516.36, 2,086.32 and 1,184.21 is: 1,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.36 : 2,086.32 = 1,184.21 : x
  2. Step 2: Convert to fraction form
    1,516.36/2,086.32 = 1,184.21/x
  3. Step 3: Cross multiply
    1,516.36x = 2,086.32 × 1,184.21
  4. Step 4: Simplify right side
    1,516.36x = 2,470,643.71
  5. Step 5: Solve for x
    x = 2,470,643.71/1,516.36
  6. Step 6: Final answer
    x = 1,629.32

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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.