Home / 1,840.63-2,541.01-1,420.04

Finding the Fourth Proportional to 1,840.63, 2,541.01 and 1,420.04

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Solution

The fourth proportional to 1,840.63, 2,541.01 and 1,420.04 is: 1,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.63 : 2,541.01 = 1,420.04 : x
  2. Step 2: Convert to fraction form
    1,840.63/2,541.01 = 1,420.04/x
  3. Step 3: Cross multiply
    1,840.63x = 2,541.01 × 1,420.04
  4. Step 4: Simplify right side
    1,840.63x = 3,608,319.59
  5. Step 5: Solve for x
    x = 3,608,319.59/1,840.63
  6. Step 6: Final answer
    x = 1,960.37

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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.