Home / 3,432.12-5,148.06-1,970.28

Finding the Fourth Proportional to 3,432.12, 5,148.06 and 1,970.28

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Solution

The fourth proportional to 3,432.12, 5,148.06 and 1,970.28 is: 2,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.12 : 5,148.06 = 1,970.28 : x
  2. Step 2: Convert to fraction form
    3,432.12/5,148.06 = 1,970.28/x
  3. Step 3: Cross multiply
    3,432.12x = 5,148.06 × 1,970.28
  4. Step 4: Simplify right side
    3,432.12x = 10,143,119.66
  5. Step 5: Solve for x
    x = 10,143,119.66/3,432.12
  6. Step 6: Final answer
    x = 2,955.35

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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.