Home / 3,090.95-4,636.41-1,038.95

Finding the Fourth Proportional to 3,090.95, 4,636.41 and 1,038.95

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Solution

The fourth proportional to 3,090.95, 4,636.41 and 1,038.95 is: 1,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.95 : 4,636.41 = 1,038.95 : x
  2. Step 2: Convert to fraction form
    3,090.95/4,636.41 = 1,038.95/x
  3. Step 3: Cross multiply
    3,090.95x = 4,636.41 × 1,038.95
  4. Step 4: Simplify right side
    3,090.95x = 4,816,998.17
  5. Step 5: Solve for x
    x = 4,816,998.17/3,090.95
  6. Step 6: Final answer
    x = 1,558.42

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1.5x scale

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.