Home / 2,259.76-3,386.28-1,851.76

Finding the Fourth Proportional to 2,259.76, 3,386.28 and 1,851.76

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Solution

The fourth proportional to 2,259.76, 3,386.28 and 1,851.76 is: 2,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.76 : 3,386.28 = 1,851.76 : x
  2. Step 2: Convert to fraction form
    2,259.76/3,386.28 = 1,851.76/x
  3. Step 3: Cross multiply
    2,259.76x = 3,386.28 × 1,851.76
  4. Step 4: Simplify right side
    2,259.76x = 6,270,577.85
  5. Step 5: Solve for x
    x = 6,270,577.85/2,259.76
  6. Step 6: Final answer
    x = 2,774.89

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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.