Home / 1,918.25-2,875.77-601.17

Finding the Fourth Proportional to 1,918.25, 2,875.77 and 601.17

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Solution

The fourth proportional to 1,918.25, 2,875.77 and 601.17 is: 901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.25 : 2,875.77 = 601.17 : x
  2. Step 2: Convert to fraction form
    1,918.25/2,875.77 = 601.17/x
  3. Step 3: Cross multiply
    1,918.25x = 2,875.77 × 601.17
  4. Step 4: Simplify right side
    1,918.25x = 1,728,826.65
  5. Step 5: Solve for x
    x = 1,728,826.65/1,918.25
  6. Step 6: Final answer
    x = 901.25

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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.