Home / 3,125.42-4,684.80-1,562.34

Finding the Fourth Proportional to 3,125.42, 4,684.80 and 1,562.34

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Solution

The fourth proportional to 3,125.42, 4,684.80 and 1,562.34 is: 2,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.42 : 4,684.80 = 1,562.34 : x
  2. Step 2: Convert to fraction form
    3,125.42/4,684.80 = 1,562.34/x
  3. Step 3: Cross multiply
    3,125.42x = 4,684.80 × 1,562.34
  4. Step 4: Simplify right side
    3,125.42x = 7,319,250.43
  5. Step 5: Solve for x
    x = 7,319,250.43/3,125.42
  6. Step 6: Final answer
    x = 2,341.85

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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.