Home / 1,840.08-2,748.93-1,315.92

Finding the Fourth Proportional to 1,840.08, 2,748.93 and 1,315.92

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Solution

The fourth proportional to 1,840.08, 2,748.93 and 1,315.92 is: 1,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.08 : 2,748.93 = 1,315.92 : x
  2. Step 2: Convert to fraction form
    1,840.08/2,748.93 = 1,315.92/x
  3. Step 3: Cross multiply
    1,840.08x = 2,748.93 × 1,315.92
  4. Step 4: Simplify right side
    1,840.08x = 3,617,371.97
  5. Step 5: Solve for x
    x = 3,617,371.97/1,840.08
  6. Step 6: Final answer
    x = 1,965.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.