Home / 2,149.36-2,946.80-2,110.48

Finding the Fourth Proportional to 2,149.36, 2,946.80 and 2,110.48

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Solution

The fourth proportional to 2,149.36, 2,946.80 and 2,110.48 is: 2,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.36 : 2,946.80 = 2,110.48 : x
  2. Step 2: Convert to fraction form
    2,149.36/2,946.80 = 2,110.48/x
  3. Step 3: Cross multiply
    2,149.36x = 2,946.80 × 2,110.48
  4. Step 4: Simplify right side
    2,149.36x = 6,219,162.46
  5. Step 5: Solve for x
    x = 6,219,162.46/2,149.36
  6. Step 6: Final answer
    x = 2,893.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.