Home / 1,935.81-2,671.47-1,051.67

Finding the Fourth Proportional to 1,935.81, 2,671.47 and 1,051.67

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Solution

The fourth proportional to 1,935.81, 2,671.47 and 1,051.67 is: 1,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.81 : 2,671.47 = 1,051.67 : x
  2. Step 2: Convert to fraction form
    1,935.81/2,671.47 = 1,051.67/x
  3. Step 3: Cross multiply
    1,935.81x = 2,671.47 × 1,051.67
  4. Step 4: Simplify right side
    1,935.81x = 2,809,511.53
  5. Step 5: Solve for x
    x = 2,809,511.53/1,935.81
  6. Step 6: Final answer
    x = 1,451.34

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Half scale
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Double 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.