Home / 2,938.18-4,054.26-1,759

Finding the Fourth Proportional to 2,938.18, 4,054.26 and 1,759

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Solution

The fourth proportional to 2,938.18, 4,054.26 and 1,759 is: 2,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.18 : 4,054.26 = 1,759 : x
  2. Step 2: Convert to fraction form
    2,938.18/4,054.26 = 1,759/x
  3. Step 3: Cross multiply
    2,938.18x = 4,054.26 × 1,759
  4. Step 4: Simplify right side
    2,938.18x = 7,131,443.34
  5. Step 5: Solve for x
    x = 7,131,443.34/2,938.18
  6. Step 6: Final answer
    x = 2,427.16

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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.