Home / 1,937.61-2,673.68-1,140.33

Finding the Fourth Proportional to 1,937.61, 2,673.68 and 1,140.33

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Solution

The fourth proportional to 1,937.61, 2,673.68 and 1,140.33 is: 1,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.61 : 2,673.68 = 1,140.33 : x
  2. Step 2: Convert to fraction form
    1,937.61/2,673.68 = 1,140.33/x
  3. Step 3: Cross multiply
    1,937.61x = 2,673.68 × 1,140.33
  4. Step 4: Simplify right side
    1,937.61x = 3,048,871.81
  5. Step 5: Solve for x
    x = 3,048,871.81/1,937.61
  6. Step 6: Final answer
    x = 1,573.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.