Home / 1,888.19-2,605.82-1,048.92

Finding the Fourth Proportional to 1,888.19, 2,605.82 and 1,048.92

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Solution

The fourth proportional to 1,888.19, 2,605.82 and 1,048.92 is: 1,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.19 : 2,605.82 = 1,048.92 : x
  2. Step 2: Convert to fraction form
    1,888.19/2,605.82 = 1,048.92/x
  3. Step 3: Cross multiply
    1,888.19x = 2,605.82 × 1,048.92
  4. Step 4: Simplify right side
    1,888.19x = 2,733,296.71
  5. Step 5: Solve for x
    x = 2,733,296.71/1,888.19
  6. Step 6: Final answer
    x = 1,447.58

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Half scale
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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.