Home / 2,320.57-3,202.47-1,659.01

Finding the Fourth Proportional to 2,320.57, 3,202.47 and 1,659.01

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Solution

The fourth proportional to 2,320.57, 3,202.47 and 1,659.01 is: 2,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.57 : 3,202.47 = 1,659.01 : x
  2. Step 2: Convert to fraction form
    2,320.57/3,202.47 = 1,659.01/x
  3. Step 3: Cross multiply
    2,320.57x = 3,202.47 × 1,659.01
  4. Step 4: Simplify right side
    2,320.57x = 5,312,925.75
  5. Step 5: Solve for x
    x = 5,312,925.75/2,320.57
  6. Step 6: Final answer
    x = 2,289.49

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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.