Home / 1,869.98-2,804.33-1,563.80

Finding the Fourth Proportional to 1,869.98, 2,804.33 and 1,563.80

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Solution

The fourth proportional to 1,869.98, 2,804.33 and 1,563.80 is: 2,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.98 : 2,804.33 = 1,563.80 : x
  2. Step 2: Convert to fraction form
    1,869.98/2,804.33 = 1,563.80/x
  3. Step 3: Cross multiply
    1,869.98x = 2,804.33 × 1,563.80
  4. Step 4: Simplify right side
    1,869.98x = 4,385,389.41
  5. Step 5: Solve for x
    x = 4,385,389.41/1,869.98
  6. Step 6: Final answer
    x = 2,345.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.