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Finding the Fourth Proportional to 3,710.78, 5,560.62 and 3,437.40

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Solution

The fourth proportional to 3,710.78, 5,560.62 and 3,437.40 is: 5,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.78 : 5,560.62 = 3,437.40 : x
  2. Step 2: Convert to fraction form
    3,710.78/5,560.62 = 3,437.40/x
  3. Step 3: Cross multiply
    3,710.78x = 5,560.62 × 3,437.40
  4. Step 4: Simplify right side
    3,710.78x = 19,114,075.19
  5. Step 5: Solve for x
    x = 19,114,075.19/3,710.78
  6. Step 6: Final answer
    x = 5,150.96

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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.