Home / 3,558.92-5,307.01-3,312.68

Finding the Fourth Proportional to 3,558.92, 5,307.01 and 3,312.68

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Solution

The fourth proportional to 3,558.92, 5,307.01 and 3,312.68 is: 4,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.92 : 5,307.01 = 3,312.68 : x
  2. Step 2: Convert to fraction form
    3,558.92/5,307.01 = 3,312.68/x
  3. Step 3: Cross multiply
    3,558.92x = 5,307.01 × 3,312.68
  4. Step 4: Simplify right side
    3,558.92x = 17,580,425.89
  5. Step 5: Solve for x
    x = 17,580,425.89/3,558.92
  6. Step 6: Final answer
    x = 4,939.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.