Home / 3,126.24-4,689.12-1,302.24

Finding the Fourth Proportional to 3,126.24, 4,689.12 and 1,302.24

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Solution

The fourth proportional to 3,126.24, 4,689.12 and 1,302.24 is: 1,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.24 : 4,689.12 = 1,302.24 : x
  2. Step 2: Convert to fraction form
    3,126.24/4,689.12 = 1,302.24/x
  3. Step 3: Cross multiply
    3,126.24x = 4,689.12 × 1,302.24
  4. Step 4: Simplify right side
    3,126.24x = 6,106,359.63
  5. Step 5: Solve for x
    x = 6,106,359.63/3,126.24
  6. Step 6: Final answer
    x = 1,953.26

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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.