Home / 1,095.31-1,511.66-623.35

Finding the Fourth Proportional to 1,095.31, 1,511.66 and 623.35

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Solution

The fourth proportional to 1,095.31, 1,511.66 and 623.35 is: 860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.31 : 1,511.66 = 623.35 : x
  2. Step 2: Convert to fraction form
    1,095.31/1,511.66 = 623.35/x
  3. Step 3: Cross multiply
    1,095.31x = 1,511.66 × 623.35
  4. Step 4: Simplify right side
    1,095.31x = 942,293.26
  5. Step 5: Solve for x
    x = 942,293.26/1,095.31
  6. Step 6: Final answer
    x = 860.30

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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.