Home / 1,732.16-2,577.84-1,670.72

Finding the Fourth Proportional to 1,732.16, 2,577.84 and 1,670.72

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Solution

The fourth proportional to 1,732.16, 2,577.84 and 1,670.72 is: 2,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.16 : 2,577.84 = 1,670.72 : x
  2. Step 2: Convert to fraction form
    1,732.16/2,577.84 = 1,670.72/x
  3. Step 3: Cross multiply
    1,732.16x = 2,577.84 × 1,670.72
  4. Step 4: Simplify right side
    1,732.16x = 4,306,848.84
  5. Step 5: Solve for x
    x = 4,306,848.84/1,732.16
  6. Step 6: Final answer
    x = 2,486.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.