Home / 2,417.29-3,624.48-1,320.13

Finding the Fourth Proportional to 2,417.29, 3,624.48 and 1,320.13

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Solution

The fourth proportional to 2,417.29, 3,624.48 and 1,320.13 is: 1,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.29 : 3,624.48 = 1,320.13 : x
  2. Step 2: Convert to fraction form
    2,417.29/3,624.48 = 1,320.13/x
  3. Step 3: Cross multiply
    2,417.29x = 3,624.48 × 1,320.13
  4. Step 4: Simplify right side
    2,417.29x = 4,784,784.78
  5. Step 5: Solve for x
    x = 4,784,784.78/2,417.29
  6. Step 6: Final answer
    x = 1,979.40

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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.