Home / 3,497.36-5,242.80-1,187.24

Finding the Fourth Proportional to 3,497.36, 5,242.80 and 1,187.24

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Solution

The fourth proportional to 3,497.36, 5,242.80 and 1,187.24 is: 1,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.36 : 5,242.80 = 1,187.24 : x
  2. Step 2: Convert to fraction form
    3,497.36/5,242.80 = 1,187.24/x
  3. Step 3: Cross multiply
    3,497.36x = 5,242.80 × 1,187.24
  4. Step 4: Simplify right side
    3,497.36x = 6,224,461.87
  5. Step 5: Solve for x
    x = 6,224,461.87/3,497.36
  6. Step 6: Final answer
    x = 1,779.76

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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.