Home / 2,890.60-4,355.23-2,501.80

Finding the Fourth Proportional to 2,890.60, 4,355.23 and 2,501.80

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Solution

The fourth proportional to 2,890.60, 4,355.23 and 2,501.80 is: 3,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.60 : 4,355.23 = 2,501.80 : x
  2. Step 2: Convert to fraction form
    2,890.60/4,355.23 = 2,501.80/x
  3. Step 3: Cross multiply
    2,890.60x = 4,355.23 × 2,501.80
  4. Step 4: Simplify right side
    2,890.60x = 10,895,914.41
  5. Step 5: Solve for x
    x = 10,895,914.41/2,890.60
  6. Step 6: Final answer
    x = 3,769.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.