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Finding the Fourth Proportional to 1,848.25, 2,550.77 and 1,020.25

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Solution

The fourth proportional to 1,848.25, 2,550.77 and 1,020.25 is: 1,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.25 : 2,550.77 = 1,020.25 : x
  2. Step 2: Convert to fraction form
    1,848.25/2,550.77 = 1,020.25/x
  3. Step 3: Cross multiply
    1,848.25x = 2,550.77 × 1,020.25
  4. Step 4: Simplify right side
    1,848.25x = 2,602,423.09
  5. Step 5: Solve for x
    x = 2,602,423.09/1,848.25
  6. Step 6: Final answer
    x = 1,408.05

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Double scale
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Similar ratio
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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.