Home / 3,090.50-4,636.23-1,038.98

Finding the Fourth Proportional to 3,090.50, 4,636.23 and 1,038.98

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Solution

The fourth proportional to 3,090.50, 4,636.23 and 1,038.98 is: 1,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.50 : 4,636.23 = 1,038.98 : x
  2. Step 2: Convert to fraction form
    3,090.50/4,636.23 = 1,038.98/x
  3. Step 3: Cross multiply
    3,090.50x = 4,636.23 × 1,038.98
  4. Step 4: Simplify right side
    3,090.50x = 4,816,950.25
  5. Step 5: Solve for x
    x = 4,816,950.25/3,090.50
  6. Step 6: Final answer
    x = 1,558.63

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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.