Home / 1,719.58-2,372.93-933.62

Finding the Fourth Proportional to 1,719.58, 2,372.93 and 933.62

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Solution

The fourth proportional to 1,719.58, 2,372.93 and 933.62 is: 1,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.58 : 2,372.93 = 933.62 : x
  2. Step 2: Convert to fraction form
    1,719.58/2,372.93 = 933.62/x
  3. Step 3: Cross multiply
    1,719.58x = 2,372.93 × 933.62
  4. Step 4: Simplify right side
    1,719.58x = 2,215,410.24
  5. Step 5: Solve for x
    x = 2,215,410.24/1,719.58
  6. Step 6: Final answer
    x = 1,288.35

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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.