Home / 1,675.54-2,511.57-1,126.42

Finding the Fourth Proportional to 1,675.54, 2,511.57 and 1,126.42

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Solution

The fourth proportional to 1,675.54, 2,511.57 and 1,126.42 is: 1,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.54 : 2,511.57 = 1,126.42 : x
  2. Step 2: Convert to fraction form
    1,675.54/2,511.57 = 1,126.42/x
  3. Step 3: Cross multiply
    1,675.54x = 2,511.57 × 1,126.42
  4. Step 4: Simplify right side
    1,675.54x = 2,829,082.68
  5. Step 5: Solve for x
    x = 2,829,082.68/1,675.54
  6. Step 6: Final answer
    x = 1,688.46

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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.