Home / 1,759.31-2,427.80-973.34

Finding the Fourth Proportional to 1,759.31, 2,427.80 and 973.34

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Solution

The fourth proportional to 1,759.31, 2,427.80 and 973.34 is: 1,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.31 : 2,427.80 = 973.34 : x
  2. Step 2: Convert to fraction form
    1,759.31/2,427.80 = 973.34/x
  3. Step 3: Cross multiply
    1,759.31x = 2,427.80 × 973.34
  4. Step 4: Simplify right side
    1,759.31x = 2,363,057.85
  5. Step 5: Solve for x
    x = 2,363,057.85/1,759.31
  6. Step 6: Final answer
    x = 1,343.18

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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.