Home / 4,020.84-6,031.08-1,424.16

Finding the Fourth Proportional to 4,020.84, 6,031.08 and 1,424.16

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Solution

The fourth proportional to 4,020.84, 6,031.08 and 1,424.16 is: 2,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.84 : 6,031.08 = 1,424.16 : x
  2. Step 2: Convert to fraction form
    4,020.84/6,031.08 = 1,424.16/x
  3. Step 3: Cross multiply
    4,020.84x = 6,031.08 × 1,424.16
  4. Step 4: Simplify right side
    4,020.84x = 8,589,222.89
  5. Step 5: Solve for x
    x = 8,589,222.89/4,020.84
  6. Step 6: Final answer
    x = 2,136.18

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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.