Home / 1,756.18-2,637-1,678.27

Finding the Fourth Proportional to 1,756.18, 2,637 and 1,678.27

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Solution

The fourth proportional to 1,756.18, 2,637 and 1,678.27 is: 2,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.18 : 2,637 = 1,678.27 : x
  2. Step 2: Convert to fraction form
    1,756.18/2,637 = 1,678.27/x
  3. Step 3: Cross multiply
    1,756.18x = 2,637 × 1,678.27
  4. Step 4: Simplify right side
    1,756.18x = 4,425,597.99
  5. Step 5: Solve for x
    x = 4,425,597.99/1,756.18
  6. Step 6: Final answer
    x = 2,520.01

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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.