Home / 1,423.74-2,122.26-1,266.77

Finding the Fourth Proportional to 1,423.74, 2,122.26 and 1,266.77

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Solution

The fourth proportional to 1,423.74, 2,122.26 and 1,266.77 is: 1,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.74 : 2,122.26 = 1,266.77 : x
  2. Step 2: Convert to fraction form
    1,423.74/2,122.26 = 1,266.77/x
  3. Step 3: Cross multiply
    1,423.74x = 2,122.26 × 1,266.77
  4. Step 4: Simplify right side
    1,423.74x = 2,688,404.69
  5. Step 5: Solve for x
    x = 2,688,404.69/1,423.74
  6. Step 6: Final answer
    x = 1,888.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.