Home / 4,021.16-6,031.50-1,681.07

Finding the Fourth Proportional to 4,021.16, 6,031.50 and 1,681.07

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Solution

The fourth proportional to 4,021.16, 6,031.50 and 1,681.07 is: 2,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.16 : 6,031.50 = 1,681.07 : x
  2. Step 2: Convert to fraction form
    4,021.16/6,031.50 = 1,681.07/x
  3. Step 3: Cross multiply
    4,021.16x = 6,031.50 × 1,681.07
  4. Step 4: Simplify right side
    4,021.16x = 10,139,343.55
  5. Step 5: Solve for x
    x = 10,139,343.55/4,021.16
  6. Step 6: Final answer
    x = 2,521.50

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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.