Home / 2,602.49-3,590.57-1,540.28

Finding the Fourth Proportional to 2,602.49, 3,590.57 and 1,540.28

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Solution

The fourth proportional to 2,602.49, 3,590.57 and 1,540.28 is: 2,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.49 : 3,590.57 = 1,540.28 : x
  2. Step 2: Convert to fraction form
    2,602.49/3,590.57 = 1,540.28/x
  3. Step 3: Cross multiply
    2,602.49x = 3,590.57 × 1,540.28
  4. Step 4: Simplify right side
    2,602.49x = 5,530,495.99
  5. Step 5: Solve for x
    x = 5,530,495.99/2,602.49
  6. Step 6: Final answer
    x = 2,125.08

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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.