Home / 2,886.09-4,326.56-1,130.69

Finding the Fourth Proportional to 2,886.09, 4,326.56 and 1,130.69

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Solution

The fourth proportional to 2,886.09, 4,326.56 and 1,130.69 is: 1,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.09 : 4,326.56 = 1,130.69 : x
  2. Step 2: Convert to fraction form
    2,886.09/4,326.56 = 1,130.69/x
  3. Step 3: Cross multiply
    2,886.09x = 4,326.56 × 1,130.69
  4. Step 4: Simplify right side
    2,886.09x = 4,891,970.84
  5. Step 5: Solve for x
    x = 4,891,970.84/2,886.09
  6. Step 6: Final answer
    x = 1,695.02

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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.