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Finding the Fourth Proportional to 1,509.93, 2,083.73 and 846.77

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Solution

The fourth proportional to 1,509.93, 2,083.73 and 846.77 is: 1,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.93 : 2,083.73 = 846.77 : x
  2. Step 2: Convert to fraction form
    1,509.93/2,083.73 = 846.77/x
  3. Step 3: Cross multiply
    1,509.93x = 2,083.73 × 846.77
  4. Step 4: Simplify right side
    1,509.93x = 1,764,425.40
  5. Step 5: Solve for x
    x = 1,764,425.40/1,509.93
  6. Step 6: Final answer
    x = 1,168.55

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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.