Home / 1,543.22-2,314.48-927.10

Finding the Fourth Proportional to 1,543.22, 2,314.48 and 927.10

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Solution

The fourth proportional to 1,543.22, 2,314.48 and 927.10 is: 1,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.22 : 2,314.48 = 927.10 : x
  2. Step 2: Convert to fraction form
    1,543.22/2,314.48 = 927.10/x
  3. Step 3: Cross multiply
    1,543.22x = 2,314.48 × 927.10
  4. Step 4: Simplify right side
    1,543.22x = 2,145,749.77
  5. Step 5: Solve for x
    x = 2,145,749.77/1,543.22
  6. Step 6: Final answer
    x = 1,390.44

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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.