Home / 2,603.42-3,592.62-1,555.28

Finding the Fourth Proportional to 2,603.42, 3,592.62 and 1,555.28

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Solution

The fourth proportional to 2,603.42, 3,592.62 and 1,555.28 is: 2,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.42 : 3,592.62 = 1,555.28 : x
  2. Step 2: Convert to fraction form
    2,603.42/3,592.62 = 1,555.28/x
  3. Step 3: Cross multiply
    2,603.42x = 3,592.62 × 1,555.28
  4. Step 4: Simplify right side
    2,603.42x = 5,587,512.07
  5. Step 5: Solve for x
    x = 5,587,512.07/2,603.42
  6. Step 6: Final answer
    x = 2,146.22

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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.