Home / 1,430.56-2,148.02-1,360.09

Finding the Fourth Proportional to 1,430.56, 2,148.02 and 1,360.09

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Solution

The fourth proportional to 1,430.56, 2,148.02 and 1,360.09 is: 2,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430.56 : 2,148.02 = 1,360.09 : x
  2. Step 2: Convert to fraction form
    1,430.56/2,148.02 = 1,360.09/x
  3. Step 3: Cross multiply
    1,430.56x = 2,148.02 × 1,360.09
  4. Step 4: Simplify right side
    1,430.56x = 2,921,500.52
  5. Step 5: Solve for x
    x = 2,921,500.52/1,430.56
  6. Step 6: Final answer
    x = 2,042.21

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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.