Home / 3,115.86-4,674.63-1,036.20

Finding the Fourth Proportional to 3,115.86, 4,674.63 and 1,036.20

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Solution

The fourth proportional to 3,115.86, 4,674.63 and 1,036.20 is: 1,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.86 : 4,674.63 = 1,036.20 : x
  2. Step 2: Convert to fraction form
    3,115.86/4,674.63 = 1,036.20/x
  3. Step 3: Cross multiply
    3,115.86x = 4,674.63 × 1,036.20
  4. Step 4: Simplify right side
    3,115.86x = 4,843,851.61
  5. Step 5: Solve for x
    x = 4,843,851.61/3,115.86
  6. Step 6: Final answer
    x = 1,554.58

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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.