Home / 1,507.92-2,075.28-1,175.04

Finding the Fourth Proportional to 1,507.92, 2,075.28 and 1,175.04

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Solution

The fourth proportional to 1,507.92, 2,075.28 and 1,175.04 is: 1,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.92 : 2,075.28 = 1,175.04 : x
  2. Step 2: Convert to fraction form
    1,507.92/2,075.28 = 1,175.04/x
  3. Step 3: Cross multiply
    1,507.92x = 2,075.28 × 1,175.04
  4. Step 4: Simplify right side
    1,507.92x = 2,438,537.01
  5. Step 5: Solve for x
    x = 2,438,537.01/1,507.92
  6. Step 6: Final answer
    x = 1,617.15

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