Home / 3,501.36-5,251.86-904.23

Finding the Fourth Proportional to 3,501.36, 5,251.86 and 904.23

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Solution

The fourth proportional to 3,501.36, 5,251.86 and 904.23 is: 1,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.36 : 5,251.86 = 904.23 : x
  2. Step 2: Convert to fraction form
    3,501.36/5,251.86 = 904.23/x
  3. Step 3: Cross multiply
    3,501.36x = 5,251.86 × 904.23
  4. Step 4: Simplify right side
    3,501.36x = 4,748,889.37
  5. Step 5: Solve for x
    x = 4,748,889.37/3,501.36
  6. Step 6: Final answer
    x = 1,356.30

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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.