Home / 2,106.16-3,159.52-1,130.92

Finding the Fourth Proportional to 2,106.16, 3,159.52 and 1,130.92

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Solution

The fourth proportional to 2,106.16, 3,159.52 and 1,130.92 is: 1,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.16 : 3,159.52 = 1,130.92 : x
  2. Step 2: Convert to fraction form
    2,106.16/3,159.52 = 1,130.92/x
  3. Step 3: Cross multiply
    2,106.16x = 3,159.52 × 1,130.92
  4. Step 4: Simplify right side
    2,106.16x = 3,573,164.36
  5. Step 5: Solve for x
    x = 3,573,164.36/2,106.16
  6. Step 6: Final answer
    x = 1,696.53

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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.