Home / 1,554.12-2,332.06-1,208.15

Finding the Fourth Proportional to 1,554.12, 2,332.06 and 1,208.15

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Solution

The fourth proportional to 1,554.12, 2,332.06 and 1,208.15 is: 1,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.12 : 2,332.06 = 1,208.15 : x
  2. Step 2: Convert to fraction form
    1,554.12/2,332.06 = 1,208.15/x
  3. Step 3: Cross multiply
    1,554.12x = 2,332.06 × 1,208.15
  4. Step 4: Simplify right side
    1,554.12x = 2,817,478.29
  5. Step 5: Solve for x
    x = 2,817,478.29/1,554.12
  6. Step 6: Final answer
    x = 1,812.91

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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.