Home / 3,533.19-5,299.91-1,312.58

Finding the Fourth Proportional to 3,533.19, 5,299.91 and 1,312.58

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Solution

The fourth proportional to 3,533.19, 5,299.91 and 1,312.58 is: 1,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.19 : 5,299.91 = 1,312.58 : x
  2. Step 2: Convert to fraction form
    3,533.19/5,299.91 = 1,312.58/x
  3. Step 3: Cross multiply
    3,533.19x = 5,299.91 × 1,312.58
  4. Step 4: Simplify right side
    3,533.19x = 6,956,548.88
  5. Step 5: Solve for x
    x = 6,956,548.88/3,533.19
  6. Step 6: Final answer
    x = 1,968.91

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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.