Home / 2,875.19-3,967.72-1,599.15

Finding the Fourth Proportional to 2,875.19, 3,967.72 and 1,599.15

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Solution

The fourth proportional to 2,875.19, 3,967.72 and 1,599.15 is: 2,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.19 : 3,967.72 = 1,599.15 : x
  2. Step 2: Convert to fraction form
    2,875.19/3,967.72 = 1,599.15/x
  3. Step 3: Cross multiply
    2,875.19x = 3,967.72 × 1,599.15
  4. Step 4: Simplify right side
    2,875.19x = 6,344,979.44
  5. Step 5: Solve for x
    x = 6,344,979.44/2,875.19
  6. Step 6: Final answer
    x = 2,206.80

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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.