Home / 1,782.76-2,459.28-1,193.08

Finding the Fourth Proportional to 1,782.76, 2,459.28 and 1,193.08

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Solution

The fourth proportional to 1,782.76, 2,459.28 and 1,193.08 is: 1,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.76 : 2,459.28 = 1,193.08 : x
  2. Step 2: Convert to fraction form
    1,782.76/2,459.28 = 1,193.08/x
  3. Step 3: Cross multiply
    1,782.76x = 2,459.28 × 1,193.08
  4. Step 4: Simplify right side
    1,782.76x = 2,934,117.78
  5. Step 5: Solve for x
    x = 2,934,117.78/1,782.76
  6. Step 6: Final answer
    x = 1,645.83

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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.