Home / 1,670.59-2,305.95-1,173.35

Finding the Fourth Proportional to 1,670.59, 2,305.95 and 1,173.35

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Solution

The fourth proportional to 1,670.59, 2,305.95 and 1,173.35 is: 1,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.59 : 2,305.95 = 1,173.35 : x
  2. Step 2: Convert to fraction form
    1,670.59/2,305.95 = 1,173.35/x
  3. Step 3: Cross multiply
    1,670.59x = 2,305.95 × 1,173.35
  4. Step 4: Simplify right side
    1,670.59x = 2,705,686.43
  5. Step 5: Solve for x
    x = 2,705,686.43/1,670.59
  6. Step 6: Final answer
    x = 1,619.60

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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.