Home / 3,570.99-4,930.56-2,312.79

Finding the Fourth Proportional to 3,570.99, 4,930.56 and 2,312.79

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Solution

The fourth proportional to 3,570.99, 4,930.56 and 2,312.79 is: 3,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.99 : 4,930.56 = 2,312.79 : x
  2. Step 2: Convert to fraction form
    3,570.99/4,930.56 = 2,312.79/x
  3. Step 3: Cross multiply
    3,570.99x = 4,930.56 × 2,312.79
  4. Step 4: Simplify right side
    3,570.99x = 11,403,349.86
  5. Step 5: Solve for x
    x = 11,403,349.86/3,570.99
  6. Step 6: Final answer
    x = 3,193.33

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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.