Home / 1,665.03-2,494.77-1,117.35

Finding the Fourth Proportional to 1,665.03, 2,494.77 and 1,117.35

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Solution

The fourth proportional to 1,665.03, 2,494.77 and 1,117.35 is: 1,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.03 : 2,494.77 = 1,117.35 : x
  2. Step 2: Convert to fraction form
    1,665.03/2,494.77 = 1,117.35/x
  3. Step 3: Cross multiply
    1,665.03x = 2,494.77 × 1,117.35
  4. Step 4: Simplify right side
    1,665.03x = 2,787,531.26
  5. Step 5: Solve for x
    x = 2,787,531.26/1,665.03
  6. Step 6: Final answer
    x = 1,674.16

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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.