Home / 3,117.66-4,672.59-1,558.10

Finding the Fourth Proportional to 3,117.66, 4,672.59 and 1,558.10

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Solution

The fourth proportional to 3,117.66, 4,672.59 and 1,558.10 is: 2,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.66 : 4,672.59 = 1,558.10 : x
  2. Step 2: Convert to fraction form
    3,117.66/4,672.59 = 1,558.10/x
  3. Step 3: Cross multiply
    3,117.66x = 4,672.59 × 1,558.10
  4. Step 4: Simplify right side
    3,117.66x = 7,280,362.48
  5. Step 5: Solve for x
    x = 7,280,362.48/3,117.66
  6. Step 6: Final answer
    x = 2,335.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.