Home / 1,766.40-2,434.20-1,738.08

Finding the Fourth Proportional to 1,766.40, 2,434.20 and 1,738.08

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Solution

The fourth proportional to 1,766.40, 2,434.20 and 1,738.08 is: 2,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.40 : 2,434.20 = 1,738.08 : x
  2. Step 2: Convert to fraction form
    1,766.40/2,434.20 = 1,738.08/x
  3. Step 3: Cross multiply
    1,766.40x = 2,434.20 × 1,738.08
  4. Step 4: Simplify right side
    1,766.40x = 4,230,834.34
  5. Step 5: Solve for x
    x = 4,230,834.34/1,766.40
  6. Step 6: Final answer
    x = 2,395.17

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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.