Home / 1,935.76-2,902.40-1,070.68

Finding the Fourth Proportional to 1,935.76, 2,902.40 and 1,070.68

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Solution

The fourth proportional to 1,935.76, 2,902.40 and 1,070.68 is: 1,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.76 : 2,902.40 = 1,070.68 : x
  2. Step 2: Convert to fraction form
    1,935.76/2,902.40 = 1,070.68/x
  3. Step 3: Cross multiply
    1,935.76x = 2,902.40 × 1,070.68
  4. Step 4: Simplify right side
    1,935.76x = 3,107,541.63
  5. Step 5: Solve for x
    x = 3,107,541.63/1,935.76
  6. Step 6: Final answer
    x = 1,605.33

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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.