Home / 3,070.32-4,237.16-1,673.08

Finding the Fourth Proportional to 3,070.32, 4,237.16 and 1,673.08

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Solution

The fourth proportional to 3,070.32, 4,237.16 and 1,673.08 is: 2,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.32 : 4,237.16 = 1,673.08 : x
  2. Step 2: Convert to fraction form
    3,070.32/4,237.16 = 1,673.08/x
  3. Step 3: Cross multiply
    3,070.32x = 4,237.16 × 1,673.08
  4. Step 4: Simplify right side
    3,070.32x = 7,089,107.65
  5. Step 5: Solve for x
    x = 7,089,107.65/3,070.32
  6. Step 6: Final answer
    x = 2,308.91

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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.