Home / 1,731.79-2,584.43-1,547.11

Finding the Fourth Proportional to 1,731.79, 2,584.43 and 1,547.11

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Solution

The fourth proportional to 1,731.79, 2,584.43 and 1,547.11 is: 2,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.79 : 2,584.43 = 1,547.11 : x
  2. Step 2: Convert to fraction form
    1,731.79/2,584.43 = 1,547.11/x
  3. Step 3: Cross multiply
    1,731.79x = 2,584.43 × 1,547.11
  4. Step 4: Simplify right side
    1,731.79x = 3,998,376.84
  5. Step 5: Solve for x
    x = 3,998,376.84/1,731.79
  6. Step 6: Final answer
    x = 2,308.82

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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.