Home / 1,373.02-2,055.24-746.75

Finding the Fourth Proportional to 1,373.02, 2,055.24 and 746.75

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Solution

The fourth proportional to 1,373.02, 2,055.24 and 746.75 is: 1,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.02 : 2,055.24 = 746.75 : x
  2. Step 2: Convert to fraction form
    1,373.02/2,055.24 = 746.75/x
  3. Step 3: Cross multiply
    1,373.02x = 2,055.24 × 746.75
  4. Step 4: Simplify right side
    1,373.02x = 1,534,755.61
  5. Step 5: Solve for x
    x = 1,534,755.61/1,373.02
  6. Step 6: Final answer
    x = 1,117.80

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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.