Home / 3,432.32-4,736.60-1,860.40

Finding the Fourth Proportional to 3,432.32, 4,736.60 and 1,860.40

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Solution

The fourth proportional to 3,432.32, 4,736.60 and 1,860.40 is: 2,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.32 : 4,736.60 = 1,860.40 : x
  2. Step 2: Convert to fraction form
    3,432.32/4,736.60 = 1,860.40/x
  3. Step 3: Cross multiply
    3,432.32x = 4,736.60 × 1,860.40
  4. Step 4: Simplify right side
    3,432.32x = 8,811,970.64
  5. Step 5: Solve for x
    x = 8,811,970.64/3,432.32
  6. Step 6: Final answer
    x = 2,567.35

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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.