Home / 1,918.77-2,865.15-1,524.35

Finding the Fourth Proportional to 1,918.77, 2,865.15 and 1,524.35

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Solution

The fourth proportional to 1,918.77, 2,865.15 and 1,524.35 is: 2,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.77 : 2,865.15 = 1,524.35 : x
  2. Step 2: Convert to fraction form
    1,918.77/2,865.15 = 1,524.35/x
  3. Step 3: Cross multiply
    1,918.77x = 2,865.15 × 1,524.35
  4. Step 4: Simplify right side
    1,918.77x = 4,367,477.08
  5. Step 5: Solve for x
    x = 4,367,477.08/1,918.77
  6. Step 6: Final answer
    x = 2,276.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.