Home / 1,673.44-2,308.69-1,075.85

Finding the Fourth Proportional to 1,673.44, 2,308.69 and 1,075.85

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Solution

The fourth proportional to 1,673.44, 2,308.69 and 1,075.85 is: 1,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.44 : 2,308.69 = 1,075.85 : x
  2. Step 2: Convert to fraction form
    1,673.44/2,308.69 = 1,075.85/x
  3. Step 3: Cross multiply
    1,673.44x = 2,308.69 × 1,075.85
  4. Step 4: Simplify right side
    1,673.44x = 2,483,787.21
  5. Step 5: Solve for x
    x = 2,483,787.21/1,673.44
  6. Step 6: Final answer
    x = 1,484.24

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1.5x scale

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.