Home / 3,032.07-4,550.39-1,389.77

Finding the Fourth Proportional to 3,032.07, 4,550.39 and 1,389.77

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Solution

The fourth proportional to 3,032.07, 4,550.39 and 1,389.77 is: 2,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.07 : 4,550.39 = 1,389.77 : x
  2. Step 2: Convert to fraction form
    3,032.07/4,550.39 = 1,389.77/x
  3. Step 3: Cross multiply
    3,032.07x = 4,550.39 × 1,389.77
  4. Step 4: Simplify right side
    3,032.07x = 6,323,965.81
  5. Step 5: Solve for x
    x = 6,323,965.81/3,032.07
  6. Step 6: Final answer
    x = 2,085.70

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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.