Home / 1,740.02-2,611.10-1,276.65

Finding the Fourth Proportional to 1,740.02, 2,611.10 and 1,276.65

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Solution

The fourth proportional to 1,740.02, 2,611.10 and 1,276.65 is: 1,915.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.02 : 2,611.10 = 1,276.65 : x
  2. Step 2: Convert to fraction form
    1,740.02/2,611.10 = 1,276.65/x
  3. Step 3: Cross multiply
    1,740.02x = 2,611.10 × 1,276.65
  4. Step 4: Simplify right side
    1,740.02x = 3,333,464.01
  5. Step 5: Solve for x
    x = 3,333,464.01/1,740.02
  6. Step 6: Final answer
    x = 1,915.77

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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.