Home / 3,110.67-4,666.10-1,031.58

Finding the Fourth Proportional to 3,110.67, 4,666.10 and 1,031.58

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Solution

The fourth proportional to 3,110.67, 4,666.10 and 1,031.58 is: 1,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.67 : 4,666.10 = 1,031.58 : x
  2. Step 2: Convert to fraction form
    3,110.67/4,666.10 = 1,031.58/x
  3. Step 3: Cross multiply
    3,110.67x = 4,666.10 × 1,031.58
  4. Step 4: Simplify right side
    3,110.67x = 4,813,450.28
  5. Step 5: Solve for x
    x = 4,813,450.28/3,110.67
  6. Step 6: Final answer
    x = 1,547.40

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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.