Home / 1,675.35-2,511.81-1,126.17

Finding the Fourth Proportional to 1,675.35, 2,511.81 and 1,126.17

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Solution

The fourth proportional to 1,675.35, 2,511.81 and 1,126.17 is: 1,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.35 : 2,511.81 = 1,126.17 : x
  2. Step 2: Convert to fraction form
    1,675.35/2,511.81 = 1,126.17/x
  3. Step 3: Cross multiply
    1,675.35x = 2,511.81 × 1,126.17
  4. Step 4: Simplify right side
    1,675.35x = 2,828,725.07
  5. Step 5: Solve for x
    x = 2,828,725.07/1,675.35
  6. Step 6: Final answer
    x = 1,688.44

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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.