Home / 3,437.21-5,152.34-1,356.40

Finding the Fourth Proportional to 3,437.21, 5,152.34 and 1,356.40

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Solution

The fourth proportional to 3,437.21, 5,152.34 and 1,356.40 is: 2,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.21 : 5,152.34 = 1,356.40 : x
  2. Step 2: Convert to fraction form
    3,437.21/5,152.34 = 1,356.40/x
  3. Step 3: Cross multiply
    3,437.21x = 5,152.34 × 1,356.40
  4. Step 4: Simplify right side
    3,437.21x = 6,988,633.98
  5. Step 5: Solve for x
    x = 6,988,633.98/3,437.21
  6. Step 6: Final answer
    x = 2,033.23

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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.