Home / 3,040.32-4,195.70-1,677.63

Finding the Fourth Proportional to 3,040.32, 4,195.70 and 1,677.63

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Solution

The fourth proportional to 3,040.32, 4,195.70 and 1,677.63 is: 2,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.32 : 4,195.70 = 1,677.63 : x
  2. Step 2: Convert to fraction form
    3,040.32/4,195.70 = 1,677.63/x
  3. Step 3: Cross multiply
    3,040.32x = 4,195.70 × 1,677.63
  4. Step 4: Simplify right side
    3,040.32x = 7,038,822.23
  5. Step 5: Solve for x
    x = 7,038,822.23/3,040.32
  6. Step 6: Final answer
    x = 2,315.16

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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.