Home / 2,547.40-3,516.87-1,751.92

Finding the Fourth Proportional to 2,547.40, 3,516.87 and 1,751.92

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Solution

The fourth proportional to 2,547.40, 3,516.87 and 1,751.92 is: 2,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.40 : 3,516.87 = 1,751.92 : x
  2. Step 2: Convert to fraction form
    2,547.40/3,516.87 = 1,751.92/x
  3. Step 3: Cross multiply
    2,547.40x = 3,516.87 × 1,751.92
  4. Step 4: Simplify right side
    2,547.40x = 6,161,274.89
  5. Step 5: Solve for x
    x = 6,161,274.89/2,547.40
  6. Step 6: Final answer
    x = 2,418.65

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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.