Home / 1,549.55-2,135.95-1,175.03

Finding the Fourth Proportional to 1,549.55, 2,135.95 and 1,175.03

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Solution

The fourth proportional to 1,549.55, 2,135.95 and 1,175.03 is: 1,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.55 : 2,135.95 = 1,175.03 : x
  2. Step 2: Convert to fraction form
    1,549.55/2,135.95 = 1,175.03/x
  3. Step 3: Cross multiply
    1,549.55x = 2,135.95 × 1,175.03
  4. Step 4: Simplify right side
    1,549.55x = 2,509,805.33
  5. Step 5: Solve for x
    x = 2,509,805.33/1,549.55
  6. Step 6: Final answer
    x = 1,619.70

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1.5x scale

Why These Related Problems?

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