Home / 3,256.16-4,881.80-1,307.30

Finding the Fourth Proportional to 3,256.16, 4,881.80 and 1,307.30

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Solution

The fourth proportional to 3,256.16, 4,881.80 and 1,307.30 is: 1,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.16 : 4,881.80 = 1,307.30 : x
  2. Step 2: Convert to fraction form
    3,256.16/4,881.80 = 1,307.30/x
  3. Step 3: Cross multiply
    3,256.16x = 4,881.80 × 1,307.30
  4. Step 4: Simplify right side
    3,256.16x = 6,381,977.14
  5. Step 5: Solve for x
    x = 6,381,977.14/3,256.16
  6. Step 6: Final answer
    x = 1,959.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.