Home / 1,341.63-2,009.66-1,325.23

Finding the Fourth Proportional to 1,341.63, 2,009.66 and 1,325.23

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Solution

The fourth proportional to 1,341.63, 2,009.66 and 1,325.23 is: 1,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.63 : 2,009.66 = 1,325.23 : x
  2. Step 2: Convert to fraction form
    1,341.63/2,009.66 = 1,325.23/x
  3. Step 3: Cross multiply
    1,341.63x = 2,009.66 × 1,325.23
  4. Step 4: Simplify right side
    1,341.63x = 2,663,257.53
  5. Step 5: Solve for x
    x = 2,663,257.53/1,341.63
  6. Step 6: Final answer
    x = 1,985.09

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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.