Home / 2,922.60-4,026.36-2,036.84

Finding the Fourth Proportional to 2,922.60, 4,026.36 and 2,036.84

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Solution

The fourth proportional to 2,922.60, 4,026.36 and 2,036.84 is: 2,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.60 : 4,026.36 = 2,036.84 : x
  2. Step 2: Convert to fraction form
    2,922.60/4,026.36 = 2,036.84/x
  3. Step 3: Cross multiply
    2,922.60x = 4,026.36 × 2,036.84
  4. Step 4: Simplify right side
    2,922.60x = 8,201,051.10
  5. Step 5: Solve for x
    x = 8,201,051.10/2,922.60
  6. Step 6: Final answer
    x = 2,806.08

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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.