Home / 2,988.94-4,485.75-2,070.94

Finding the Fourth Proportional to 2,988.94, 4,485.75 and 2,070.94

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Solution

The fourth proportional to 2,988.94, 4,485.75 and 2,070.94 is: 3,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.94 : 4,485.75 = 2,070.94 : x
  2. Step 2: Convert to fraction form
    2,988.94/4,485.75 = 2,070.94/x
  3. Step 3: Cross multiply
    2,988.94x = 4,485.75 × 2,070.94
  4. Step 4: Simplify right side
    2,988.94x = 9,289,719.11
  5. Step 5: Solve for x
    x = 9,289,719.11/2,988.94
  6. Step 6: Final answer
    x = 3,108.03

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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.