Home / 2,603.57-3,590.58-1,720.26

Finding the Fourth Proportional to 2,603.57, 3,590.58 and 1,720.26

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Solution

The fourth proportional to 2,603.57, 3,590.58 and 1,720.26 is: 2,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.57 : 3,590.58 = 1,720.26 : x
  2. Step 2: Convert to fraction form
    2,603.57/3,590.58 = 1,720.26/x
  3. Step 3: Cross multiply
    2,603.57x = 3,590.58 × 1,720.26
  4. Step 4: Simplify right side
    2,603.57x = 6,176,731.15
  5. Step 5: Solve for x
    x = 6,176,731.15/2,603.57
  6. Step 6: Final answer
    x = 2,372.41

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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.