Home / 2,887.20-4,330.89-1,498.68

Finding the Fourth Proportional to 2,887.20, 4,330.89 and 1,498.68

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Solution

The fourth proportional to 2,887.20, 4,330.89 and 1,498.68 is: 2,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.20 : 4,330.89 = 1,498.68 : x
  2. Step 2: Convert to fraction form
    2,887.20/4,330.89 = 1,498.68/x
  3. Step 3: Cross multiply
    2,887.20x = 4,330.89 × 1,498.68
  4. Step 4: Simplify right side
    2,887.20x = 6,490,618.23
  5. Step 5: Solve for x
    x = 6,490,618.23/2,887.20
  6. Step 6: Final answer
    x = 2,248.07

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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.