Home / 2,977.07-4,465.63-1,127.69

Finding the Fourth Proportional to 2,977.07, 4,465.63 and 1,127.69

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Solution

The fourth proportional to 2,977.07, 4,465.63 and 1,127.69 is: 1,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.07 : 4,465.63 = 1,127.69 : x
  2. Step 2: Convert to fraction form
    2,977.07/4,465.63 = 1,127.69/x
  3. Step 3: Cross multiply
    2,977.07x = 4,465.63 × 1,127.69
  4. Step 4: Simplify right side
    2,977.07x = 5,035,842.12
  5. Step 5: Solve for x
    x = 5,035,842.12/2,977.07
  6. Step 6: Final answer
    x = 1,691.54

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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.