Home / 1,698.09-2,547.60-968.19

Finding the Fourth Proportional to 1,698.09, 2,547.60 and 968.19

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Solution

The fourth proportional to 1,698.09, 2,547.60 and 968.19 is: 1,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.09 : 2,547.60 = 968.19 : x
  2. Step 2: Convert to fraction form
    1,698.09/2,547.60 = 968.19/x
  3. Step 3: Cross multiply
    1,698.09x = 2,547.60 × 968.19
  4. Step 4: Simplify right side
    1,698.09x = 2,466,560.84
  5. Step 5: Solve for x
    x = 2,466,560.84/1,698.09
  6. Step 6: Final answer
    x = 1,452.55

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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.