Home / 2,070.25-3,106.28-1,031.29

Finding the Fourth Proportional to 2,070.25, 3,106.28 and 1,031.29

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Solution

The fourth proportional to 2,070.25, 3,106.28 and 1,031.29 is: 1,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.25 : 3,106.28 = 1,031.29 : x
  2. Step 2: Convert to fraction form
    2,070.25/3,106.28 = 1,031.29/x
  3. Step 3: Cross multiply
    2,070.25x = 3,106.28 × 1,031.29
  4. Step 4: Simplify right side
    2,070.25x = 3,203,475.50
  5. Step 5: Solve for x
    x = 3,203,475.50/2,070.25
  6. Step 6: Final answer
    x = 1,547.39

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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.