Home / 2,315.02-3,472.44-853.60

Finding the Fourth Proportional to 2,315.02, 3,472.44 and 853.60

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Solution

The fourth proportional to 2,315.02, 3,472.44 and 853.60 is: 1,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.02 : 3,472.44 = 853.60 : x
  2. Step 2: Convert to fraction form
    2,315.02/3,472.44 = 853.60/x
  3. Step 3: Cross multiply
    2,315.02x = 3,472.44 × 853.60
  4. Step 4: Simplify right side
    2,315.02x = 2,964,074.78
  5. Step 5: Solve for x
    x = 2,964,074.78/2,315.02
  6. Step 6: Final answer
    x = 1,280.37

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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.