Home / 1,756.32-2,638.08-1,654.26

Finding the Fourth Proportional to 1,756.32, 2,638.08 and 1,654.26

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Solution

The fourth proportional to 1,756.32, 2,638.08 and 1,654.26 is: 2,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.32 : 2,638.08 = 1,654.26 : x
  2. Step 2: Convert to fraction form
    1,756.32/2,638.08 = 1,654.26/x
  3. Step 3: Cross multiply
    1,756.32x = 2,638.08 × 1,654.26
  4. Step 4: Simplify right side
    1,756.32x = 4,364,070.22
  5. Step 5: Solve for x
    x = 4,364,070.22/1,756.32
  6. Step 6: Final answer
    x = 2,484.78

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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.