Home / 1,875.23-2,813.52-1,095.90

Finding the Fourth Proportional to 1,875.23, 2,813.52 and 1,095.90

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Solution

The fourth proportional to 1,875.23, 2,813.52 and 1,095.90 is: 1,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.23 : 2,813.52 = 1,095.90 : x
  2. Step 2: Convert to fraction form
    1,875.23/2,813.52 = 1,095.90/x
  3. Step 3: Cross multiply
    1,875.23x = 2,813.52 × 1,095.90
  4. Step 4: Simplify right side
    1,875.23x = 3,083,347.12
  5. Step 5: Solve for x
    x = 3,083,347.12/1,875.23
  6. Step 6: Final answer
    x = 1,644.25

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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.