Home / 3,117.88-4,677.63-1,170.64

Finding the Fourth Proportional to 3,117.88, 4,677.63 and 1,170.64

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Solution

The fourth proportional to 3,117.88, 4,677.63 and 1,170.64 is: 1,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.88 : 4,677.63 = 1,170.64 : x
  2. Step 2: Convert to fraction form
    3,117.88/4,677.63 = 1,170.64/x
  3. Step 3: Cross multiply
    3,117.88x = 4,677.63 × 1,170.64
  4. Step 4: Simplify right side
    3,117.88x = 5,475,820.78
  5. Step 5: Solve for x
    x = 5,475,820.78/3,117.88
  6. Step 6: Final answer
    x = 1,756.26

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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.