Home / 1,756.77-2,421.48-1,529.07

Finding the Fourth Proportional to 1,756.77, 2,421.48 and 1,529.07

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Solution

The fourth proportional to 1,756.77, 2,421.48 and 1,529.07 is: 2,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.77 : 2,421.48 = 1,529.07 : x
  2. Step 2: Convert to fraction form
    1,756.77/2,421.48 = 1,529.07/x
  3. Step 3: Cross multiply
    1,756.77x = 2,421.48 × 1,529.07
  4. Step 4: Simplify right side
    1,756.77x = 3,702,612.42
  5. Step 5: Solve for x
    x = 3,702,612.42/1,756.77
  6. Step 6: Final answer
    x = 2,107.63

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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.