Home / 2,432.96-3,357.47-1,385.02

Finding the Fourth Proportional to 2,432.96, 3,357.47 and 1,385.02

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Solution

The fourth proportional to 2,432.96, 3,357.47 and 1,385.02 is: 1,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.96 : 3,357.47 = 1,385.02 : x
  2. Step 2: Convert to fraction form
    2,432.96/3,357.47 = 1,385.02/x
  3. Step 3: Cross multiply
    2,432.96x = 3,357.47 × 1,385.02
  4. Step 4: Simplify right side
    2,432.96x = 4,650,163.10
  5. Step 5: Solve for x
    x = 4,650,163.10/2,432.96
  6. Step 6: Final answer
    x = 1,911.32

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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.