Home / 2,602.47-3,903.27-1,215.95

Finding the Fourth Proportional to 2,602.47, 3,903.27 and 1,215.95

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Solution

The fourth proportional to 2,602.47, 3,903.27 and 1,215.95 is: 1,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.47 : 3,903.27 = 1,215.95 : x
  2. Step 2: Convert to fraction form
    2,602.47/3,903.27 = 1,215.95/x
  3. Step 3: Cross multiply
    2,602.47x = 3,903.27 × 1,215.95
  4. Step 4: Simplify right side
    2,602.47x = 4,746,181.16
  5. Step 5: Solve for x
    x = 4,746,181.16/2,602.47
  6. Step 6: Final answer
    x = 1,823.72

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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.