Home / 3,617.12-5,424.24-1,307.36

Finding the Fourth Proportional to 3,617.12, 5,424.24 and 1,307.36

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Solution

The fourth proportional to 3,617.12, 5,424.24 and 1,307.36 is: 1,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.12 : 5,424.24 = 1,307.36 : x
  2. Step 2: Convert to fraction form
    3,617.12/5,424.24 = 1,307.36/x
  3. Step 3: Cross multiply
    3,617.12x = 5,424.24 × 1,307.36
  4. Step 4: Simplify right side
    3,617.12x = 7,091,434.41
  5. Step 5: Solve for x
    x = 7,091,434.41/3,617.12
  6. Step 6: Final answer
    x = 1,960.52

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1.5x scale

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.