Home / 1,736.96-2,396.64-1,038.40

Finding the Fourth Proportional to 1,736.96, 2,396.64 and 1,038.40

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Solution

The fourth proportional to 1,736.96, 2,396.64 and 1,038.40 is: 1,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.96 : 2,396.64 = 1,038.40 : x
  2. Step 2: Convert to fraction form
    1,736.96/2,396.64 = 1,038.40/x
  3. Step 3: Cross multiply
    1,736.96x = 2,396.64 × 1,038.40
  4. Step 4: Simplify right side
    1,736.96x = 2,488,670.98
  5. Step 5: Solve for x
    x = 2,488,670.98/1,736.96
  6. Step 6: Final answer
    x = 1,432.77

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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.