Home / 2,066.92-2,852.28-1,135.40

Finding the Fourth Proportional to 2,066.92, 2,852.28 and 1,135.40

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Solution

The fourth proportional to 2,066.92, 2,852.28 and 1,135.40 is: 1,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.92 : 2,852.28 = 1,135.40 : x
  2. Step 2: Convert to fraction form
    2,066.92/2,852.28 = 1,135.40/x
  3. Step 3: Cross multiply
    2,066.92x = 2,852.28 × 1,135.40
  4. Step 4: Simplify right side
    2,066.92x = 3,238,478.71
  5. Step 5: Solve for x
    x = 3,238,478.71/2,066.92
  6. Step 6: Final answer
    x = 1,566.81

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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.