Home / 1,541.15-2,308.30-1,151.63

Finding the Fourth Proportional to 1,541.15, 2,308.30 and 1,151.63

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Solution

The fourth proportional to 1,541.15, 2,308.30 and 1,151.63 is: 1,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.15 : 2,308.30 = 1,151.63 : x
  2. Step 2: Convert to fraction form
    1,541.15/2,308.30 = 1,151.63/x
  3. Step 3: Cross multiply
    1,541.15x = 2,308.30 × 1,151.63
  4. Step 4: Simplify right side
    1,541.15x = 2,658,307.53
  5. Step 5: Solve for x
    x = 2,658,307.53/1,541.15
  6. Step 6: Final answer
    x = 1,724.89

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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.