Home / 2,985.42-4,480.92-1,525.62

Finding the Fourth Proportional to 2,985.42, 4,480.92 and 1,525.62

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Solution

The fourth proportional to 2,985.42, 4,480.92 and 1,525.62 is: 2,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.42 : 4,480.92 = 1,525.62 : x
  2. Step 2: Convert to fraction form
    2,985.42/4,480.92 = 1,525.62/x
  3. Step 3: Cross multiply
    2,985.42x = 4,480.92 × 1,525.62
  4. Step 4: Simplify right side
    2,985.42x = 6,836,181.17
  5. Step 5: Solve for x
    x = 6,836,181.17/2,985.42
  6. Step 6: Final answer
    x = 2,289.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.