Home / 2,950.34-4,421.57-1,099.58

Finding the Fourth Proportional to 2,950.34, 4,421.57 and 1,099.58

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Solution

The fourth proportional to 2,950.34, 4,421.57 and 1,099.58 is: 1,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.34 : 4,421.57 = 1,099.58 : x
  2. Step 2: Convert to fraction form
    2,950.34/4,421.57 = 1,099.58/x
  3. Step 3: Cross multiply
    2,950.34x = 4,421.57 × 1,099.58
  4. Step 4: Simplify right side
    2,950.34x = 4,861,875.50
  5. Step 5: Solve for x
    x = 4,861,875.50/2,950.34
  6. Step 6: Final answer
    x = 1,647.91

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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.