Home / 2,717.58-3,750.39-1,539.02

Finding the Fourth Proportional to 2,717.58, 3,750.39 and 1,539.02

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Solution

The fourth proportional to 2,717.58, 3,750.39 and 1,539.02 is: 2,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.58 : 3,750.39 = 1,539.02 : x
  2. Step 2: Convert to fraction form
    2,717.58/3,750.39 = 1,539.02/x
  3. Step 3: Cross multiply
    2,717.58x = 3,750.39 × 1,539.02
  4. Step 4: Simplify right side
    2,717.58x = 5,771,925.22
  5. Step 5: Solve for x
    x = 5,771,925.22/2,717.58
  6. Step 6: Final answer
    x = 2,123.92

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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.