Home / 2,549.93-3,518.61-1,430.87

Finding the Fourth Proportional to 2,549.93, 3,518.61 and 1,430.87

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Solution

The fourth proportional to 2,549.93, 3,518.61 and 1,430.87 is: 1,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.93 : 3,518.61 = 1,430.87 : x
  2. Step 2: Convert to fraction form
    2,549.93/3,518.61 = 1,430.87/x
  3. Step 3: Cross multiply
    2,549.93x = 3,518.61 × 1,430.87
  4. Step 4: Simplify right side
    2,549.93x = 5,034,673.49
  5. Step 5: Solve for x
    x = 5,034,673.49/2,549.93
  6. Step 6: Final answer
    x = 1,974.44

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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.