Home / 3,437.30-5,156.96-1,097.45

Finding the Fourth Proportional to 3,437.30, 5,156.96 and 1,097.45

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Solution

The fourth proportional to 3,437.30, 5,156.96 and 1,097.45 is: 1,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.30 : 5,156.96 = 1,097.45 : x
  2. Step 2: Convert to fraction form
    3,437.30/5,156.96 = 1,097.45/x
  3. Step 3: Cross multiply
    3,437.30x = 5,156.96 × 1,097.45
  4. Step 4: Simplify right side
    3,437.30x = 5,659,505.75
  5. Step 5: Solve for x
    x = 5,659,505.75/3,437.30
  6. Step 6: Final answer
    x = 1,646.50

Related Problems

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Double scale
Find fourth proportional to 3,438.30, 5,158.46 and 1,098.45
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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.