Home / 1,957.12-2,935.68-1,666.56

Finding the Fourth Proportional to 1,957.12, 2,935.68 and 1,666.56

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Solution

The fourth proportional to 1,957.12, 2,935.68 and 1,666.56 is: 2,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.12 : 2,935.68 = 1,666.56 : x
  2. Step 2: Convert to fraction form
    1,957.12/2,935.68 = 1,666.56/x
  3. Step 3: Cross multiply
    1,957.12x = 2,935.68 × 1,666.56
  4. Step 4: Simplify right side
    1,957.12x = 4,892,486.86
  5. Step 5: Solve for x
    x = 4,892,486.86/1,957.12
  6. Step 6: Final answer
    x = 2,499.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.