Home / 1,670.41-2,298.81-1,295.92

Finding the Fourth Proportional to 1,670.41, 2,298.81 and 1,295.92

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Solution

The fourth proportional to 1,670.41, 2,298.81 and 1,295.92 is: 1,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.41 : 2,298.81 = 1,295.92 : x
  2. Step 2: Convert to fraction form
    1,670.41/2,298.81 = 1,295.92/x
  3. Step 3: Cross multiply
    1,670.41x = 2,298.81 × 1,295.92
  4. Step 4: Simplify right side
    1,670.41x = 2,979,073.86
  5. Step 5: Solve for x
    x = 2,979,073.86/1,670.41
  6. Step 6: Final answer
    x = 1,783.44

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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.