Home / 3,613.02-4,989.51-3,085.98

Finding the Fourth Proportional to 3,613.02, 4,989.51 and 3,085.98

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Solution

The fourth proportional to 3,613.02, 4,989.51 and 3,085.98 is: 4,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.02 : 4,989.51 = 3,085.98 : x
  2. Step 2: Convert to fraction form
    3,613.02/4,989.51 = 3,085.98/x
  3. Step 3: Cross multiply
    3,613.02x = 4,989.51 × 3,085.98
  4. Step 4: Simplify right side
    3,613.02x = 15,397,528.07
  5. Step 5: Solve for x
    x = 15,397,528.07/3,613.02
  6. Step 6: Final answer
    x = 4,261.68

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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.