Home / 2,421.66-3,337.90-1,712.59

Finding the Fourth Proportional to 2,421.66, 3,337.90 and 1,712.59

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Solution

The fourth proportional to 2,421.66, 3,337.90 and 1,712.59 is: 2,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.66 : 3,337.90 = 1,712.59 : x
  2. Step 2: Convert to fraction form
    2,421.66/3,337.90 = 1,712.59/x
  3. Step 3: Cross multiply
    2,421.66x = 3,337.90 × 1,712.59
  4. Step 4: Simplify right side
    2,421.66x = 5,716,454.16
  5. Step 5: Solve for x
    x = 5,716,454.16/2,421.66
  6. Step 6: Final answer
    x = 2,360.55

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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.