Home / 2,318.60-3,197.16-1,655.18

Finding the Fourth Proportional to 2,318.60, 3,197.16 and 1,655.18

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Solution

The fourth proportional to 2,318.60, 3,197.16 and 1,655.18 is: 2,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.60 : 3,197.16 = 1,655.18 : x
  2. Step 2: Convert to fraction form
    2,318.60/3,197.16 = 1,655.18/x
  3. Step 3: Cross multiply
    2,318.60x = 3,197.16 × 1,655.18
  4. Step 4: Simplify right side
    2,318.60x = 5,291,875.29
  5. Step 5: Solve for x
    x = 5,291,875.29/2,318.60
  6. Step 6: Final answer
    x = 2,282.36

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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.