Home / 1,432.96-2,160.50-1,424.08

Finding the Fourth Proportional to 1,432.96, 2,160.50 and 1,424.08

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Solution

The fourth proportional to 1,432.96, 2,160.50 and 1,424.08 is: 2,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.96 : 2,160.50 = 1,424.08 : x
  2. Step 2: Convert to fraction form
    1,432.96/2,160.50 = 1,424.08/x
  3. Step 3: Cross multiply
    1,432.96x = 2,160.50 × 1,424.08
  4. Step 4: Simplify right side
    1,432.96x = 3,076,724.84
  5. Step 5: Solve for x
    x = 3,076,724.84/1,432.96
  6. Step 6: Final answer
    x = 2,147.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.