Home / 3,860.02-5,326.86-2,289.16

Finding the Fourth Proportional to 3,860.02, 5,326.86 and 2,289.16

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Solution

The fourth proportional to 3,860.02, 5,326.86 and 2,289.16 is: 3,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.02 : 5,326.86 = 2,289.16 : x
  2. Step 2: Convert to fraction form
    3,860.02/5,326.86 = 2,289.16/x
  3. Step 3: Cross multiply
    3,860.02x = 5,326.86 × 2,289.16
  4. Step 4: Simplify right side
    3,860.02x = 12,194,034.84
  5. Step 5: Solve for x
    x = 12,194,034.84/3,860.02
  6. Step 6: Final answer
    x = 3,159.06

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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.