Home / 1,857.31-2,560.98-1,184.21

Finding the Fourth Proportional to 1,857.31, 2,560.98 and 1,184.21

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Solution

The fourth proportional to 1,857.31, 2,560.98 and 1,184.21 is: 1,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.31 : 2,560.98 = 1,184.21 : x
  2. Step 2: Convert to fraction form
    1,857.31/2,560.98 = 1,184.21/x
  3. Step 3: Cross multiply
    1,857.31x = 2,560.98 × 1,184.21
  4. Step 4: Simplify right side
    1,857.31x = 3,032,748.35
  5. Step 5: Solve for x
    x = 3,032,748.35/1,857.31
  6. Step 6: Final answer
    x = 1,632.87

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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.