Home / 1,627.81-2,246.39-929.23

Finding the Fourth Proportional to 1,627.81, 2,246.39 and 929.23

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Solution

The fourth proportional to 1,627.81, 2,246.39 and 929.23 is: 1,282.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.81 : 2,246.39 = 929.23 : x
  2. Step 2: Convert to fraction form
    1,627.81/2,246.39 = 929.23/x
  3. Step 3: Cross multiply
    1,627.81x = 2,246.39 × 929.23
  4. Step 4: Simplify right side
    1,627.81x = 2,087,397.10
  5. Step 5: Solve for x
    x = 2,087,397.10/1,627.81
  6. Step 6: Final answer
    x = 1,282.34

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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.