Home / 1,924.02-2,656.92-1,820.45

Finding the Fourth Proportional to 1,924.02, 2,656.92 and 1,820.45

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Solution

The fourth proportional to 1,924.02, 2,656.92 and 1,820.45 is: 2,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.02 : 2,656.92 = 1,820.45 : x
  2. Step 2: Convert to fraction form
    1,924.02/2,656.92 = 1,820.45/x
  3. Step 3: Cross multiply
    1,924.02x = 2,656.92 × 1,820.45
  4. Step 4: Simplify right side
    1,924.02x = 4,836,776.73
  5. Step 5: Solve for x
    x = 4,836,776.73/1,924.02
  6. Step 6: Final answer
    x = 2,513.89

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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.