Home / 1,709.22-2,360.08-1,150.18

Finding the Fourth Proportional to 1,709.22, 2,360.08 and 1,150.18

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Solution

The fourth proportional to 1,709.22, 2,360.08 and 1,150.18 is: 1,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.22 : 2,360.08 = 1,150.18 : x
  2. Step 2: Convert to fraction form
    1,709.22/2,360.08 = 1,150.18/x
  3. Step 3: Cross multiply
    1,709.22x = 2,360.08 × 1,150.18
  4. Step 4: Simplify right side
    1,709.22x = 2,714,516.81
  5. Step 5: Solve for x
    x = 2,714,516.81/1,709.22
  6. Step 6: Final answer
    x = 1,588.16

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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.