Home / 1,895.23-2,615.11-1,055.75

Finding the Fourth Proportional to 1,895.23, 2,615.11 and 1,055.75

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Solution

The fourth proportional to 1,895.23, 2,615.11 and 1,055.75 is: 1,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.23 : 2,615.11 = 1,055.75 : x
  2. Step 2: Convert to fraction form
    1,895.23/2,615.11 = 1,055.75/x
  3. Step 3: Cross multiply
    1,895.23x = 2,615.11 × 1,055.75
  4. Step 4: Simplify right side
    1,895.23x = 2,760,886.67
  5. Step 5: Solve for x
    x = 2,760,886.67/1,895.23
  6. Step 6: Final answer
    x = 1,456.75

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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.