Home / 1,766.35-2,437.29-1,020.17

Finding the Fourth Proportional to 1,766.35, 2,437.29 and 1,020.17

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Solution

The fourth proportional to 1,766.35, 2,437.29 and 1,020.17 is: 1,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.35 : 2,437.29 = 1,020.17 : x
  2. Step 2: Convert to fraction form
    1,766.35/2,437.29 = 1,020.17/x
  3. Step 3: Cross multiply
    1,766.35x = 2,437.29 × 1,020.17
  4. Step 4: Simplify right side
    1,766.35x = 2,486,432.85
  5. Step 5: Solve for x
    x = 2,486,432.85/1,766.35
  6. Step 6: Final answer
    x = 1,407.67

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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.