Home / 2,547.45-3,518.82-2,051.91

Finding the Fourth Proportional to 2,547.45, 3,518.82 and 2,051.91

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Solution

The fourth proportional to 2,547.45, 3,518.82 and 2,051.91 is: 2,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.45 : 3,518.82 = 2,051.91 : x
  2. Step 2: Convert to fraction form
    2,547.45/3,518.82 = 2,051.91/x
  3. Step 3: Cross multiply
    2,547.45x = 3,518.82 × 2,051.91
  4. Step 4: Simplify right side
    2,547.45x = 7,220,301.95
  5. Step 5: Solve for x
    x = 7,220,301.95/2,547.45
  6. Step 6: Final answer
    x = 2,834.33

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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.