Home / 1,707.22-2,357.32-1,148.18

Finding the Fourth Proportional to 1,707.22, 2,357.32 and 1,148.18

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Solution

The fourth proportional to 1,707.22, 2,357.32 and 1,148.18 is: 1,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.22 : 2,357.32 = 1,148.18 : x
  2. Step 2: Convert to fraction form
    1,707.22/2,357.32 = 1,148.18/x
  3. Step 3: Cross multiply
    1,707.22x = 2,357.32 × 1,148.18
  4. Step 4: Simplify right side
    1,707.22x = 2,706,627.68
  5. Step 5: Solve for x
    x = 2,706,627.68/1,707.22
  6. Step 6: Final answer
    x = 1,585.40

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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.