Home / 1,778.35-2,454.20-1,032.14

Finding the Fourth Proportional to 1,778.35, 2,454.20 and 1,032.14

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Solution

The fourth proportional to 1,778.35, 2,454.20 and 1,032.14 is: 1,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.35 : 2,454.20 = 1,032.14 : x
  2. Step 2: Convert to fraction form
    1,778.35/2,454.20 = 1,032.14/x
  3. Step 3: Cross multiply
    1,778.35x = 2,454.20 × 1,032.14
  4. Step 4: Simplify right side
    1,778.35x = 2,533,077.99
  5. Step 5: Solve for x
    x = 2,533,077.99/1,778.35
  6. Step 6: Final answer
    x = 1,424.40

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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.