Home / 1,518.02-2,094.90-854.95

Finding the Fourth Proportional to 1,518.02, 2,094.90 and 854.95

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Solution

The fourth proportional to 1,518.02, 2,094.90 and 854.95 is: 1,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.02 : 2,094.90 = 854.95 : x
  2. Step 2: Convert to fraction form
    1,518.02/2,094.90 = 854.95/x
  3. Step 3: Cross multiply
    1,518.02x = 2,094.90 × 854.95
  4. Step 4: Simplify right side
    1,518.02x = 1,791,034.76
  5. Step 5: Solve for x
    x = 1,791,034.76/1,518.02
  6. Step 6: Final answer
    x = 1,179.85

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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.