Home / 1,918.64-2,875.80-1,484.48

Finding the Fourth Proportional to 1,918.64, 2,875.80 and 1,484.48

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Solution

The fourth proportional to 1,918.64, 2,875.80 and 1,484.48 is: 2,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.64 : 2,875.80 = 1,484.48 : x
  2. Step 2: Convert to fraction form
    1,918.64/2,875.80 = 1,484.48/x
  3. Step 3: Cross multiply
    1,918.64x = 2,875.80 × 1,484.48
  4. Step 4: Simplify right side
    1,918.64x = 4,269,067.58
  5. Step 5: Solve for x
    x = 4,269,067.58/1,918.64
  6. Step 6: Final answer
    x = 2,225.05

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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.