Home / 1,935.35-2,670.04-1,432.40

Finding the Fourth Proportional to 1,935.35, 2,670.04 and 1,432.40

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Solution

The fourth proportional to 1,935.35, 2,670.04 and 1,432.40 is: 1,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.35 : 2,670.04 = 1,432.40 : x
  2. Step 2: Convert to fraction form
    1,935.35/2,670.04 = 1,432.40/x
  3. Step 3: Cross multiply
    1,935.35x = 2,670.04 × 1,432.40
  4. Step 4: Simplify right side
    1,935.35x = 3,824,565.30
  5. Step 5: Solve for x
    x = 3,824,565.30/1,935.35
  6. Step 6: Final answer
    x = 1,976.16

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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.