Home / 3,295.95-4,547.18-2,117.72

Finding the Fourth Proportional to 3,295.95, 4,547.18 and 2,117.72

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Solution

The fourth proportional to 3,295.95, 4,547.18 and 2,117.72 is: 2,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.95 : 4,547.18 = 2,117.72 : x
  2. Step 2: Convert to fraction form
    3,295.95/4,547.18 = 2,117.72/x
  3. Step 3: Cross multiply
    3,295.95x = 4,547.18 × 2,117.72
  4. Step 4: Simplify right side
    3,295.95x = 9,629,620.71
  5. Step 5: Solve for x
    x = 9,629,620.71/3,295.95
  6. Step 6: Final answer
    x = 2,921.65

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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.