Home / 3,432.24-5,148.36-1,970.46

Finding the Fourth Proportional to 3,432.24, 5,148.36 and 1,970.46

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Solution

The fourth proportional to 3,432.24, 5,148.36 and 1,970.46 is: 2,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.24 : 5,148.36 = 1,970.46 : x
  2. Step 2: Convert to fraction form
    3,432.24/5,148.36 = 1,970.46/x
  3. Step 3: Cross multiply
    3,432.24x = 5,148.36 × 1,970.46
  4. Step 4: Simplify right side
    3,432.24x = 10,144,637.45
  5. Step 5: Solve for x
    x = 10,144,637.45/3,432.24
  6. Step 6: Final answer
    x = 2,955.69

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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.