Home / 3,070.10-4,236.74-1,672.85

Finding the Fourth Proportional to 3,070.10, 4,236.74 and 1,672.85

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Solution

The fourth proportional to 3,070.10, 4,236.74 and 1,672.85 is: 2,308.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.10 : 4,236.74 = 1,672.85 : x
  2. Step 2: Convert to fraction form
    3,070.10/4,236.74 = 1,672.85/x
  3. Step 3: Cross multiply
    3,070.10x = 4,236.74 × 1,672.85
  4. Step 4: Simplify right side
    3,070.10x = 7,087,430.51
  5. Step 5: Solve for x
    x = 7,087,430.51/3,070.10
  6. Step 6: Final answer
    x = 2,308.53

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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.