Home / 3,015.09-4,521.08-1,782.88

Finding the Fourth Proportional to 3,015.09, 4,521.08 and 1,782.88

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Solution

The fourth proportional to 3,015.09, 4,521.08 and 1,782.88 is: 2,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.09 : 4,521.08 = 1,782.88 : x
  2. Step 2: Convert to fraction form
    3,015.09/4,521.08 = 1,782.88/x
  3. Step 3: Cross multiply
    3,015.09x = 4,521.08 × 1,782.88
  4. Step 4: Simplify right side
    3,015.09x = 8,060,536.26
  5. Step 5: Solve for x
    x = 8,060,536.26/3,015.09
  6. Step 6: Final answer
    x = 2,673.40

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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.