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Finding the Fourth Proportional to 1,456.99, 2,010.64 and 793.84

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Solution

The fourth proportional to 1,456.99, 2,010.64 and 793.84 is: 1,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.99 : 2,010.64 = 793.84 : x
  2. Step 2: Convert to fraction form
    1,456.99/2,010.64 = 793.84/x
  3. Step 3: Cross multiply
    1,456.99x = 2,010.64 × 793.84
  4. Step 4: Simplify right side
    1,456.99x = 1,596,129.96
  5. Step 5: Solve for x
    x = 1,596,129.96/1,456.99
  6. Step 6: Final answer
    x = 1,095.50

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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.