Home / 1,620.45-2,427.08-1,252.35

Finding the Fourth Proportional to 1,620.45, 2,427.08 and 1,252.35

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Solution

The fourth proportional to 1,620.45, 2,427.08 and 1,252.35 is: 1,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620.45 : 2,427.08 = 1,252.35 : x
  2. Step 2: Convert to fraction form
    1,620.45/2,427.08 = 1,252.35/x
  3. Step 3: Cross multiply
    1,620.45x = 2,427.08 × 1,252.35
  4. Step 4: Simplify right side
    1,620.45x = 3,039,547.38
  5. Step 5: Solve for x
    x = 3,039,547.38/1,620.45
  6. Step 6: Final answer
    x = 1,875.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.