Home / 2,895.49-3,989.68-1,962.37

Finding the Fourth Proportional to 2,895.49, 3,989.68 and 1,962.37

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Solution

The fourth proportional to 2,895.49, 3,989.68 and 1,962.37 is: 2,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.49 : 3,989.68 = 1,962.37 : x
  2. Step 2: Convert to fraction form
    2,895.49/3,989.68 = 1,962.37/x
  3. Step 3: Cross multiply
    2,895.49x = 3,989.68 × 1,962.37
  4. Step 4: Simplify right side
    2,895.49x = 7,829,228.34
  5. Step 5: Solve for x
    x = 7,829,228.34/2,895.49
  6. Step 6: Final answer
    x = 2,703.94

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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.