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Finding the Fourth Proportional to 1,461.03, 2,015.87 and 937.77

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Solution

The fourth proportional to 1,461.03, 2,015.87 and 937.77 is: 1,293.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.03 : 2,015.87 = 937.77 : x
  2. Step 2: Convert to fraction form
    1,461.03/2,015.87 = 937.77/x
  3. Step 3: Cross multiply
    1,461.03x = 2,015.87 × 937.77
  4. Step 4: Simplify right side
    1,461.03x = 1,890,417.72
  5. Step 5: Solve for x
    x = 1,890,417.72/1,461.03
  6. Step 6: Final answer
    x = 1,293.89

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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.