Home / 2,549.83-3,518.60-1,430.76

Finding the Fourth Proportional to 2,549.83, 3,518.60 and 1,430.76

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Solution

The fourth proportional to 2,549.83, 3,518.60 and 1,430.76 is: 1,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.83 : 3,518.60 = 1,430.76 : x
  2. Step 2: Convert to fraction form
    2,549.83/3,518.60 = 1,430.76/x
  3. Step 3: Cross multiply
    2,549.83x = 3,518.60 × 1,430.76
  4. Step 4: Simplify right side
    2,549.83x = 5,034,272.14
  5. Step 5: Solve for x
    x = 5,034,272.14/2,549.83
  6. Step 6: Final answer
    x = 1,974.36

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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.