Home / 2,358.66-3,530.70-2,157.06

Finding the Fourth Proportional to 2,358.66, 3,530.70 and 2,157.06

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Solution

The fourth proportional to 2,358.66, 3,530.70 and 2,157.06 is: 3,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.66 : 3,530.70 = 2,157.06 : x
  2. Step 2: Convert to fraction form
    2,358.66/3,530.70 = 2,157.06/x
  3. Step 3: Cross multiply
    2,358.66x = 3,530.70 × 2,157.06
  4. Step 4: Simplify right side
    2,358.66x = 7,615,931.74
  5. Step 5: Solve for x
    x = 7,615,931.74/2,358.66
  6. Step 6: Final answer
    x = 3,228.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.