Home / 2,395.65-3,298.28-1,863.89

Finding the Fourth Proportional to 2,395.65, 3,298.28 and 1,863.89

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Solution

The fourth proportional to 2,395.65, 3,298.28 and 1,863.89 is: 2,566.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.65 : 3,298.28 = 1,863.89 : x
  2. Step 2: Convert to fraction form
    2,395.65/3,298.28 = 1,863.89/x
  3. Step 3: Cross multiply
    2,395.65x = 3,298.28 × 1,863.89
  4. Step 4: Simplify right side
    2,395.65x = 6,147,619.28
  5. Step 5: Solve for x
    x = 6,147,619.28/2,395.65
  6. Step 6: Final answer
    x = 2,566.16

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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.