Home / 1,511.22-2,085.08-951.96

Finding the Fourth Proportional to 1,511.22, 2,085.08 and 951.96

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Solution

The fourth proportional to 1,511.22, 2,085.08 and 951.96 is: 1,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.22 : 2,085.08 = 951.96 : x
  2. Step 2: Convert to fraction form
    1,511.22/2,085.08 = 951.96/x
  3. Step 3: Cross multiply
    1,511.22x = 2,085.08 × 951.96
  4. Step 4: Simplify right side
    1,511.22x = 1,984,912.76
  5. Step 5: Solve for x
    x = 1,984,912.76/1,511.22
  6. Step 6: Final answer
    x = 1,313.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.