Home / 2,132.40-2,942.96-2,064.36

Finding the Fourth Proportional to 2,132.40, 2,942.96 and 2,064.36

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Solution

The fourth proportional to 2,132.40, 2,942.96 and 2,064.36 is: 2,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.40 : 2,942.96 = 2,064.36 : x
  2. Step 2: Convert to fraction form
    2,132.40/2,942.96 = 2,064.36/x
  3. Step 3: Cross multiply
    2,132.40x = 2,942.96 × 2,064.36
  4. Step 4: Simplify right side
    2,132.40x = 6,075,318.58
  5. Step 5: Solve for x
    x = 6,075,318.58/2,132.40
  6. Step 6: Final answer
    x = 2,849.05

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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.