Home / 2,930.99-4,032.47-2,558.84

Finding the Fourth Proportional to 2,930.99, 4,032.47 and 2,558.84

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Solution

The fourth proportional to 2,930.99, 4,032.47 and 2,558.84 is: 3,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.99 : 4,032.47 = 2,558.84 : x
  2. Step 2: Convert to fraction form
    2,930.99/4,032.47 = 2,558.84/x
  3. Step 3: Cross multiply
    2,930.99x = 4,032.47 × 2,558.84
  4. Step 4: Simplify right side
    2,930.99x = 10,318,431.77
  5. Step 5: Solve for x
    x = 10,318,431.77/2,930.99
  6. Step 6: Final answer
    x = 3,520.47

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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.