Home / 3,345.79-4,617.18-1,853.80

Finding the Fourth Proportional to 3,345.79, 4,617.18 and 1,853.80

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Solution

The fourth proportional to 3,345.79, 4,617.18 and 1,853.80 is: 2,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.79 : 4,617.18 = 1,853.80 : x
  2. Step 2: Convert to fraction form
    3,345.79/4,617.18 = 1,853.80/x
  3. Step 3: Cross multiply
    3,345.79x = 4,617.18 × 1,853.80
  4. Step 4: Simplify right side
    3,345.79x = 8,559,305.20
  5. Step 5: Solve for x
    x = 8,559,305.20/3,345.79
  6. Step 6: Final answer
    x = 2,558.24

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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.