Home / 1,403.76-2,094.54-1,395.60

Finding the Fourth Proportional to 1,403.76, 2,094.54 and 1,395.60

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Solution

The fourth proportional to 1,403.76, 2,094.54 and 1,395.60 is: 2,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.76 : 2,094.54 = 1,395.60 : x
  2. Step 2: Convert to fraction form
    1,403.76/2,094.54 = 1,395.60/x
  3. Step 3: Cross multiply
    1,403.76x = 2,094.54 × 1,395.60
  4. Step 4: Simplify right side
    1,403.76x = 2,923,140.02
  5. Step 5: Solve for x
    x = 2,923,140.02/1,403.76
  6. Step 6: Final answer
    x = 2,082.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.