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Finding the Fourth Proportional to 1,807.07, 2,706.63 and 1,075.02

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Solution

The fourth proportional to 1,807.07, 2,706.63 and 1,075.02 is: 1,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.07 : 2,706.63 = 1,075.02 : x
  2. Step 2: Convert to fraction form
    1,807.07/2,706.63 = 1,075.02/x
  3. Step 3: Cross multiply
    1,807.07x = 2,706.63 × 1,075.02
  4. Step 4: Simplify right side
    1,807.07x = 2,909,681.38
  5. Step 5: Solve for x
    x = 2,909,681.38/1,807.07
  6. Step 6: Final answer
    x = 1,610.17

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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.