Home / 2,962.30-4,087.95-1,636.10

Finding the Fourth Proportional to 2,962.30, 4,087.95 and 1,636.10

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Solution

The fourth proportional to 2,962.30, 4,087.95 and 1,636.10 is: 2,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.30 : 4,087.95 = 1,636.10 : x
  2. Step 2: Convert to fraction form
    2,962.30/4,087.95 = 1,636.10/x
  3. Step 3: Cross multiply
    2,962.30x = 4,087.95 × 1,636.10
  4. Step 4: Simplify right side
    2,962.30x = 6,688,274.56
  5. Step 5: Solve for x
    x = 6,688,274.56/2,962.30
  6. Step 6: Final answer
    x = 2,257.80

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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.