Home / 2,195.16-3,030.84-2,055.74

Finding the Fourth Proportional to 2,195.16, 3,030.84 and 2,055.74

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Solution

The fourth proportional to 2,195.16, 3,030.84 and 2,055.74 is: 2,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.16 : 3,030.84 = 2,055.74 : x
  2. Step 2: Convert to fraction form
    2,195.16/3,030.84 = 2,055.74/x
  3. Step 3: Cross multiply
    2,195.16x = 3,030.84 × 2,055.74
  4. Step 4: Simplify right side
    2,195.16x = 6,230,603.87
  5. Step 5: Solve for x
    x = 6,230,603.87/2,195.16
  6. Step 6: Final answer
    x = 2,838.34

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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.