Home / 3,426.50-5,140.56-1,235.25

Finding the Fourth Proportional to 3,426.50, 5,140.56 and 1,235.25

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Solution

The fourth proportional to 3,426.50, 5,140.56 and 1,235.25 is: 1,853.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.50 : 5,140.56 = 1,235.25 : x
  2. Step 2: Convert to fraction form
    3,426.50/5,140.56 = 1,235.25/x
  3. Step 3: Cross multiply
    3,426.50x = 5,140.56 × 1,235.25
  4. Step 4: Simplify right side
    3,426.50x = 6,349,881.37
  5. Step 5: Solve for x
    x = 6,349,881.37/3,426.50
  6. Step 6: Final answer
    x = 1,853.17

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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.