Home / 1,938.93-2,676.02-1,310.37

Finding the Fourth Proportional to 1,938.93, 2,676.02 and 1,310.37

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Solution

The fourth proportional to 1,938.93, 2,676.02 and 1,310.37 is: 1,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.93 : 2,676.02 = 1,310.37 : x
  2. Step 2: Convert to fraction form
    1,938.93/2,676.02 = 1,310.37/x
  3. Step 3: Cross multiply
    1,938.93x = 2,676.02 × 1,310.37
  4. Step 4: Simplify right side
    1,938.93x = 3,506,569.78
  5. Step 5: Solve for x
    x = 3,506,569.78/1,938.93
  6. Step 6: Final answer
    x = 1,808.51

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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.