Home / 2,431.69-3,354.68-1,547.03

Finding the Fourth Proportional to 2,431.69, 3,354.68 and 1,547.03

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Solution

The fourth proportional to 2,431.69, 3,354.68 and 1,547.03 is: 2,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.69 : 3,354.68 = 1,547.03 : x
  2. Step 2: Convert to fraction form
    2,431.69/3,354.68 = 1,547.03/x
  3. Step 3: Cross multiply
    2,431.69x = 3,354.68 × 1,547.03
  4. Step 4: Simplify right side
    2,431.69x = 5,189,802.85
  5. Step 5: Solve for x
    x = 5,189,802.85/2,431.69
  6. Step 6: Final answer
    x = 2,134.24

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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.