Home / 3,124.96-4,312.37-1,708.70

Finding the Fourth Proportional to 3,124.96, 4,312.37 and 1,708.70

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Solution

The fourth proportional to 3,124.96, 4,312.37 and 1,708.70 is: 2,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.96 : 4,312.37 = 1,708.70 : x
  2. Step 2: Convert to fraction form
    3,124.96/4,312.37 = 1,708.70/x
  3. Step 3: Cross multiply
    3,124.96x = 4,312.37 × 1,708.70
  4. Step 4: Simplify right side
    3,124.96x = 7,368,529.33
  5. Step 5: Solve for x
    x = 7,368,529.33/3,124.96
  6. Step 6: Final answer
    x = 2,357.96

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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.