Home / 2,547.79-3,515.97-1,485.82

Finding the Fourth Proportional to 2,547.79, 3,515.97 and 1,485.82

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Solution

The fourth proportional to 2,547.79, 3,515.97 and 1,485.82 is: 2,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.79 : 3,515.97 = 1,485.82 : x
  2. Step 2: Convert to fraction form
    2,547.79/3,515.97 = 1,485.82/x
  3. Step 3: Cross multiply
    2,547.79x = 3,515.97 × 1,485.82
  4. Step 4: Simplify right side
    2,547.79x = 5,224,098.55
  5. Step 5: Solve for x
    x = 5,224,098.55/2,547.79
  6. Step 6: Final answer
    x = 2,050.44

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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.