Home / 3,030.15-4,181.60-1,703.84

Finding the Fourth Proportional to 3,030.15, 4,181.60 and 1,703.84

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Solution

The fourth proportional to 3,030.15, 4,181.60 and 1,703.84 is: 2,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.15 : 4,181.60 = 1,703.84 : x
  2. Step 2: Convert to fraction form
    3,030.15/4,181.60 = 1,703.84/x
  3. Step 3: Cross multiply
    3,030.15x = 4,181.60 × 1,703.84
  4. Step 4: Simplify right side
    3,030.15x = 7,124,777.34
  5. Step 5: Solve for x
    x = 7,124,777.34/3,030.15
  6. Step 6: Final answer
    x = 2,351.30

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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.