Home / 3,256.47-4,490.55-2,547.09

Finding the Fourth Proportional to 3,256.47, 4,490.55 and 2,547.09

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Solution

The fourth proportional to 3,256.47, 4,490.55 and 2,547.09 is: 3,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.47 : 4,490.55 = 2,547.09 : x
  2. Step 2: Convert to fraction form
    3,256.47/4,490.55 = 2,547.09/x
  3. Step 3: Cross multiply
    3,256.47x = 4,490.55 × 2,547.09
  4. Step 4: Simplify right side
    3,256.47x = 11,437,835.00
  5. Step 5: Solve for x
    x = 11,437,835.00/3,256.47
  6. Step 6: Final answer
    x = 3,512.34

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1.5x scale

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.