Home / 2,355.30-3,250.08-1,307.25

Finding the Fourth Proportional to 2,355.30, 3,250.08 and 1,307.25

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Solution

The fourth proportional to 2,355.30, 3,250.08 and 1,307.25 is: 1,803.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.30 : 3,250.08 = 1,307.25 : x
  2. Step 2: Convert to fraction form
    2,355.30/3,250.08 = 1,307.25/x
  3. Step 3: Cross multiply
    2,355.30x = 3,250.08 × 1,307.25
  4. Step 4: Simplify right side
    2,355.30x = 4,248,667.08
  5. Step 5: Solve for x
    x = 4,248,667.08/2,355.30
  6. Step 6: Final answer
    x = 1,803.88

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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.