Home / 3,060.09-4,222.58-1,715.51

Finding the Fourth Proportional to 3,060.09, 4,222.58 and 1,715.51

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Solution

The fourth proportional to 3,060.09, 4,222.58 and 1,715.51 is: 2,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.09 : 4,222.58 = 1,715.51 : x
  2. Step 2: Convert to fraction form
    3,060.09/4,222.58 = 1,715.51/x
  3. Step 3: Cross multiply
    3,060.09x = 4,222.58 × 1,715.51
  4. Step 4: Simplify right side
    3,060.09x = 7,243,880.19
  5. Step 5: Solve for x
    x = 7,243,880.19/3,060.09
  6. Step 6: Final answer
    x = 2,367.21

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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.