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Finding the Fourth Proportional to 1,095.63, 1,511.46 and 675.84

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Solution

The fourth proportional to 1,095.63, 1,511.46 and 675.84 is: 932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.63 : 1,511.46 = 675.84 : x
  2. Step 2: Convert to fraction form
    1,095.63/1,511.46 = 675.84/x
  3. Step 3: Cross multiply
    1,095.63x = 1,511.46 × 675.84
  4. Step 4: Simplify right side
    1,095.63x = 1,021,510.79
  5. Step 5: Solve for x
    x = 1,021,510.79/1,095.63
  6. Step 6: Final answer
    x = 932.35

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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.