Home / 1,743.95-2,404.77-1,246.40

Finding the Fourth Proportional to 1,743.95, 2,404.77 and 1,246.40

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Solution

The fourth proportional to 1,743.95, 2,404.77 and 1,246.40 is: 1,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.95 : 2,404.77 = 1,246.40 : x
  2. Step 2: Convert to fraction form
    1,743.95/2,404.77 = 1,246.40/x
  3. Step 3: Cross multiply
    1,743.95x = 2,404.77 × 1,246.40
  4. Step 4: Simplify right side
    1,743.95x = 2,997,305.33
  5. Step 5: Solve for x
    x = 2,997,305.33/1,743.95
  6. Step 6: Final answer
    x = 1,718.69

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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.