Home / 1,933.12-2,892.96-1,582.40

Finding the Fourth Proportional to 1,933.12, 2,892.96 and 1,582.40

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Solution

The fourth proportional to 1,933.12, 2,892.96 and 1,582.40 is: 2,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.12 : 2,892.96 = 1,582.40 : x
  2. Step 2: Convert to fraction form
    1,933.12/2,892.96 = 1,582.40/x
  3. Step 3: Cross multiply
    1,933.12x = 2,892.96 × 1,582.40
  4. Step 4: Simplify right side
    1,933.12x = 4,577,819.90
  5. Step 5: Solve for x
    x = 4,577,819.90/1,933.12
  6. Step 6: Final answer
    x = 2,368.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.