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Finding the Fourth Proportional to 3,507.98, 4,837.95 and 3,035.72

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Solution

The fourth proportional to 3,507.98, 4,837.95 and 3,035.72 is: 4,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.98 : 4,837.95 = 3,035.72 : x
  2. Step 2: Convert to fraction form
    3,507.98/4,837.95 = 3,035.72/x
  3. Step 3: Cross multiply
    3,507.98x = 4,837.95 × 3,035.72
  4. Step 4: Simplify right side
    3,507.98x = 14,686,673.67
  5. Step 5: Solve for x
    x = 14,686,673.67/3,507.98
  6. Step 6: Final answer
    x = 4,186.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.