Home / 1,543.40-2,310.98-926.26

Finding the Fourth Proportional to 1,543.40, 2,310.98 and 926.26

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Solution

The fourth proportional to 1,543.40, 2,310.98 and 926.26 is: 1,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.40 : 2,310.98 = 926.26 : x
  2. Step 2: Convert to fraction form
    1,543.40/2,310.98 = 926.26/x
  3. Step 3: Cross multiply
    1,543.40x = 2,310.98 × 926.26
  4. Step 4: Simplify right side
    1,543.40x = 2,140,568.33
  5. Step 5: Solve for x
    x = 2,140,568.33/1,543.40
  6. Step 6: Final answer
    x = 1,386.92

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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.