Home / 1,349.16-1,859.94-1,017.96

Finding the Fourth Proportional to 1,349.16, 1,859.94 and 1,017.96

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Solution

The fourth proportional to 1,349.16, 1,859.94 and 1,017.96 is: 1,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.16 : 1,859.94 = 1,017.96 : x
  2. Step 2: Convert to fraction form
    1,349.16/1,859.94 = 1,017.96/x
  3. Step 3: Cross multiply
    1,349.16x = 1,859.94 × 1,017.96
  4. Step 4: Simplify right side
    1,349.16x = 1,893,344.52
  5. Step 5: Solve for x
    x = 1,893,344.52/1,349.16
  6. Step 6: Final answer
    x = 1,403.35

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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.