Home / 1,840.32-2,541.84-1,342.16

Finding the Fourth Proportional to 1,840.32, 2,541.84 and 1,342.16

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Solution

The fourth proportional to 1,840.32, 2,541.84 and 1,342.16 is: 1,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.32 : 2,541.84 = 1,342.16 : x
  2. Step 2: Convert to fraction form
    1,840.32/2,541.84 = 1,342.16/x
  3. Step 3: Cross multiply
    1,840.32x = 2,541.84 × 1,342.16
  4. Step 4: Simplify right side
    1,840.32x = 3,411,555.97
  5. Step 5: Solve for x
    x = 3,411,555.97/1,840.32
  6. Step 6: Final answer
    x = 1,853.78

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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.