Home / 3,432.36-4,736.64-1,860.45

Finding the Fourth Proportional to 3,432.36, 4,736.64 and 1,860.45

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Solution

The fourth proportional to 3,432.36, 4,736.64 and 1,860.45 is: 2,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.36 : 4,736.64 = 1,860.45 : x
  2. Step 2: Convert to fraction form
    3,432.36/4,736.64 = 1,860.45/x
  3. Step 3: Cross multiply
    3,432.36x = 4,736.64 × 1,860.45
  4. Step 4: Simplify right side
    3,432.36x = 8,812,281.89
  5. Step 5: Solve for x
    x = 8,812,281.89/3,432.36
  6. Step 6: Final answer
    x = 2,567.41

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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.