Home / 2,106.06-2,907.30-1,360.39

Finding the Fourth Proportional to 2,106.06, 2,907.30 and 1,360.39

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Solution

The fourth proportional to 2,106.06, 2,907.30 and 1,360.39 is: 1,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.06 : 2,907.30 = 1,360.39 : x
  2. Step 2: Convert to fraction form
    2,106.06/2,907.30 = 1,360.39/x
  3. Step 3: Cross multiply
    2,106.06x = 2,907.30 × 1,360.39
  4. Step 4: Simplify right side
    2,106.06x = 3,955,047.13
  5. Step 5: Solve for x
    x = 3,955,047.13/2,106.06
  6. Step 6: Final answer
    x = 1,877.93

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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.