Home / 1,569.82-2,355.88-1,075.18

Finding the Fourth Proportional to 1,569.82, 2,355.88 and 1,075.18

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Solution

The fourth proportional to 1,569.82, 2,355.88 and 1,075.18 is: 1,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.82 : 2,355.88 = 1,075.18 : x
  2. Step 2: Convert to fraction form
    1,569.82/2,355.88 = 1,075.18/x
  3. Step 3: Cross multiply
    1,569.82x = 2,355.88 × 1,075.18
  4. Step 4: Simplify right side
    1,569.82x = 2,532,995.06
  5. Step 5: Solve for x
    x = 2,532,995.06/1,569.82
  6. Step 6: Final answer
    x = 1,613.56

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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.