Home / 2,901.75-4,004.49-1,782.05

Finding the Fourth Proportional to 2,901.75, 4,004.49 and 1,782.05

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Solution

The fourth proportional to 2,901.75, 4,004.49 and 1,782.05 is: 2,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.75 : 4,004.49 = 1,782.05 : x
  2. Step 2: Convert to fraction form
    2,901.75/4,004.49 = 1,782.05/x
  3. Step 3: Cross multiply
    2,901.75x = 4,004.49 × 1,782.05
  4. Step 4: Simplify right side
    2,901.75x = 7,136,204.73
  5. Step 5: Solve for x
    x = 7,136,204.73/2,901.75
  6. Step 6: Final answer
    x = 2,459.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.