Home / 2,068.70-2,851.47-1,695.02

Finding the Fourth Proportional to 2,068.70, 2,851.47 and 1,695.02

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Solution

The fourth proportional to 2,068.70, 2,851.47 and 1,695.02 is: 2,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.70 : 2,851.47 = 1,695.02 : x
  2. Step 2: Convert to fraction form
    2,068.70/2,851.47 = 1,695.02/x
  3. Step 3: Cross multiply
    2,068.70x = 2,851.47 × 1,695.02
  4. Step 4: Simplify right side
    2,068.70x = 4,833,284.42
  5. Step 5: Solve for x
    x = 4,833,284.42/2,068.70
  6. Step 6: Final answer
    x = 2,336.39

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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.