Home / 2,647.47-3,652.89-1,703.58

Finding the Fourth Proportional to 2,647.47, 3,652.89 and 1,703.58

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Solution

The fourth proportional to 2,647.47, 3,652.89 and 1,703.58 is: 2,350.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.47 : 3,652.89 = 1,703.58 : x
  2. Step 2: Convert to fraction form
    2,647.47/3,652.89 = 1,703.58/x
  3. Step 3: Cross multiply
    2,647.47x = 3,652.89 × 1,703.58
  4. Step 4: Simplify right side
    2,647.47x = 6,222,990.35
  5. Step 5: Solve for x
    x = 6,222,990.35/2,647.47
  6. Step 6: Final answer
    x = 2,350.54

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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.