Home / 3,153.23-4,729.84-1,302.31

Finding the Fourth Proportional to 3,153.23, 4,729.84 and 1,302.31

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Solution

The fourth proportional to 3,153.23, 4,729.84 and 1,302.31 is: 1,953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.23 : 4,729.84 = 1,302.31 : x
  2. Step 2: Convert to fraction form
    3,153.23/4,729.84 = 1,302.31/x
  3. Step 3: Cross multiply
    3,153.23x = 4,729.84 × 1,302.31
  4. Step 4: Simplify right side
    3,153.23x = 6,159,717.93
  5. Step 5: Solve for x
    x = 6,159,717.93/3,153.23
  6. Step 6: Final answer
    x = 1,953.46

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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.