Home / 1,345.05-2,014.77-1,191.36

Finding the Fourth Proportional to 1,345.05, 2,014.77 and 1,191.36

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Solution

The fourth proportional to 1,345.05, 2,014.77 and 1,191.36 is: 1,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345.05 : 2,014.77 = 1,191.36 : x
  2. Step 2: Convert to fraction form
    1,345.05/2,014.77 = 1,191.36/x
  3. Step 3: Cross multiply
    1,345.05x = 2,014.77 × 1,191.36
  4. Step 4: Simplify right side
    1,345.05x = 2,400,316.39
  5. Step 5: Solve for x
    x = 2,400,316.39/1,345.05
  6. Step 6: Final answer
    x = 1,784.56

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1.5x scale

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.