Home / 3,115.32-4,647.46-3,030.58

Finding the Fourth Proportional to 3,115.32, 4,647.46 and 3,030.58

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Solution

The fourth proportional to 3,115.32, 4,647.46 and 3,030.58 is: 4,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.32 : 4,647.46 = 3,030.58 : x
  2. Step 2: Convert to fraction form
    3,115.32/4,647.46 = 3,030.58/x
  3. Step 3: Cross multiply
    3,115.32x = 4,647.46 × 3,030.58
  4. Step 4: Simplify right side
    3,115.32x = 14,084,499.33
  5. Step 5: Solve for x
    x = 14,084,499.33/3,115.32
  6. Step 6: Final answer
    x = 4,521.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.