Home / 3,036.76-4,188.60-1,858.41

Finding the Fourth Proportional to 3,036.76, 4,188.60 and 1,858.41

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Solution

The fourth proportional to 3,036.76, 4,188.60 and 1,858.41 is: 2,563.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.76 : 4,188.60 = 1,858.41 : x
  2. Step 2: Convert to fraction form
    3,036.76/4,188.60 = 1,858.41/x
  3. Step 3: Cross multiply
    3,036.76x = 4,188.60 × 1,858.41
  4. Step 4: Simplify right side
    3,036.76x = 7,784,136.13
  5. Step 5: Solve for x
    x = 7,784,136.13/3,036.76
  6. Step 6: Final answer
    x = 2,563.31

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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.