Home / 2,587.06-3,570.14-1,408.11

Finding the Fourth Proportional to 2,587.06, 3,570.14 and 1,408.11

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Solution

The fourth proportional to 2,587.06, 3,570.14 and 1,408.11 is: 1,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.06 : 3,570.14 = 1,408.11 : x
  2. Step 2: Convert to fraction form
    2,587.06/3,570.14 = 1,408.11/x
  3. Step 3: Cross multiply
    2,587.06x = 3,570.14 × 1,408.11
  4. Step 4: Simplify right side
    2,587.06x = 5,027,149.84
  5. Step 5: Solve for x
    x = 5,027,149.84/2,587.06
  6. Step 6: Final answer
    x = 1,943.19

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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.