Home / 1,759.20-2,427.35-973.10

Finding the Fourth Proportional to 1,759.20, 2,427.35 and 973.10

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Solution

The fourth proportional to 1,759.20, 2,427.35 and 973.10 is: 1,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.20 : 2,427.35 = 973.10 : x
  2. Step 2: Convert to fraction form
    1,759.20/2,427.35 = 973.10/x
  3. Step 3: Cross multiply
    1,759.20x = 2,427.35 × 973.10
  4. Step 4: Simplify right side
    1,759.20x = 2,362,037.28
  5. Step 5: Solve for x
    x = 2,362,037.28/1,759.20
  6. Step 6: Final answer
    x = 1,342.68

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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.