Home / 1,712.17-2,364.69-1,564.75

Finding the Fourth Proportional to 1,712.17, 2,364.69 and 1,564.75

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Solution

The fourth proportional to 1,712.17, 2,364.69 and 1,564.75 is: 2,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.17 : 2,364.69 = 1,564.75 : x
  2. Step 2: Convert to fraction form
    1,712.17/2,364.69 = 1,564.75/x
  3. Step 3: Cross multiply
    1,712.17x = 2,364.69 × 1,564.75
  4. Step 4: Simplify right side
    1,712.17x = 3,700,148.68
  5. Step 5: Solve for x
    x = 3,700,148.68/1,712.17
  6. Step 6: Final answer
    x = 2,161.09

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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.