Home / 1,557.27-2,334.77-735.09

Finding the Fourth Proportional to 1,557.27, 2,334.77 and 735.09

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Solution

The fourth proportional to 1,557.27, 2,334.77 and 735.09 is: 1,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.27 : 2,334.77 = 735.09 : x
  2. Step 2: Convert to fraction form
    1,557.27/2,334.77 = 735.09/x
  3. Step 3: Cross multiply
    1,557.27x = 2,334.77 × 735.09
  4. Step 4: Simplify right side
    1,557.27x = 1,716,262.40
  5. Step 5: Solve for x
    x = 1,716,262.40/1,557.27
  6. Step 6: Final answer
    x = 1,102.10

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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.