Home / 3,432.18-4,736.40-1,860.30

Finding the Fourth Proportional to 3,432.18, 4,736.40 and 1,860.30

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Solution

The fourth proportional to 3,432.18, 4,736.40 and 1,860.30 is: 2,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.18 : 4,736.40 = 1,860.30 : x
  2. Step 2: Convert to fraction form
    3,432.18/4,736.40 = 1,860.30/x
  3. Step 3: Cross multiply
    3,432.18x = 4,736.40 × 1,860.30
  4. Step 4: Simplify right side
    3,432.18x = 8,811,124.92
  5. Step 5: Solve for x
    x = 8,811,124.92/3,432.18
  6. Step 6: Final answer
    x = 2,567.21

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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.