Home / 1,756.85-2,419.13-1,666.49

Finding the Fourth Proportional to 1,756.85, 2,419.13 and 1,666.49

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Solution

The fourth proportional to 1,756.85, 2,419.13 and 1,666.49 is: 2,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.85 : 2,419.13 = 1,666.49 : x
  2. Step 2: Convert to fraction form
    1,756.85/2,419.13 = 1,666.49/x
  3. Step 3: Cross multiply
    1,756.85x = 2,419.13 × 1,666.49
  4. Step 4: Simplify right side
    1,756.85x = 4,031,448.02
  5. Step 5: Solve for x
    x = 4,031,448.02/1,756.85
  6. Step 6: Final answer
    x = 2,294.71

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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.