Home / 1,674.32-2,310.63-1,253.93

Finding the Fourth Proportional to 1,674.32, 2,310.63 and 1,253.93

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Solution

The fourth proportional to 1,674.32, 2,310.63 and 1,253.93 is: 1,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.32 : 2,310.63 = 1,253.93 : x
  2. Step 2: Convert to fraction form
    1,674.32/2,310.63 = 1,253.93/x
  3. Step 3: Cross multiply
    1,674.32x = 2,310.63 × 1,253.93
  4. Step 4: Simplify right side
    1,674.32x = 2,897,365.02
  5. Step 5: Solve for x
    x = 2,897,365.02/1,674.32
  6. Step 6: Final answer
    x = 1,730.47

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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.