Home / 2,636.02-3,638.98-1,693.22

Finding the Fourth Proportional to 2,636.02, 3,638.98 and 1,693.22

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Solution

The fourth proportional to 2,636.02, 3,638.98 and 1,693.22 is: 2,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.02 : 3,638.98 = 1,693.22 : x
  2. Step 2: Convert to fraction form
    2,636.02/3,638.98 = 1,693.22/x
  3. Step 3: Cross multiply
    2,636.02x = 3,638.98 × 1,693.22
  4. Step 4: Simplify right side
    2,636.02x = 6,161,567.05
  5. Step 5: Solve for x
    x = 6,161,567.05/2,636.02
  6. Step 6: Final answer
    x = 2,337.45

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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.