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Finding the Fourth Proportional to 2,602.80, 3,592.08 and 1,554.84

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Solution

The fourth proportional to 2,602.80, 3,592.08 and 1,554.84 is: 2,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.80 : 3,592.08 = 1,554.84 : x
  2. Step 2: Convert to fraction form
    2,602.80/3,592.08 = 1,554.84/x
  3. Step 3: Cross multiply
    2,602.80x = 3,592.08 × 1,554.84
  4. Step 4: Simplify right side
    2,602.80x = 5,585,109.67
  5. Step 5: Solve for x
    x = 5,585,109.67/2,602.80
  6. Step 6: Final answer
    x = 2,145.81

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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.