Home / 1,850.02-2,539.66-1,587.58

Finding the Fourth Proportional to 1,850.02, 2,539.66 and 1,587.58

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Solution

The fourth proportional to 1,850.02, 2,539.66 and 1,587.58 is: 2,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.02 : 2,539.66 = 1,587.58 : x
  2. Step 2: Convert to fraction form
    1,850.02/2,539.66 = 1,587.58/x
  3. Step 3: Cross multiply
    1,850.02x = 2,539.66 × 1,587.58
  4. Step 4: Simplify right side
    1,850.02x = 4,031,913.42
  5. Step 5: Solve for x
    x = 4,031,913.42/1,850.02
  6. Step 6: Final answer
    x = 2,179.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.