Home / 2,135.13-2,940.57-1,840.29

Finding the Fourth Proportional to 2,135.13, 2,940.57 and 1,840.29

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Solution

The fourth proportional to 2,135.13, 2,940.57 and 1,840.29 is: 2,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.13 : 2,940.57 = 1,840.29 : x
  2. Step 2: Convert to fraction form
    2,135.13/2,940.57 = 1,840.29/x
  3. Step 3: Cross multiply
    2,135.13x = 2,940.57 × 1,840.29
  4. Step 4: Simplify right side
    2,135.13x = 5,411,501.57
  5. Step 5: Solve for x
    x = 5,411,501.57/2,135.13
  6. Step 6: Final answer
    x = 2,534.51

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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.