Home / 2,689.40-4,034.08-1,592.98

Finding the Fourth Proportional to 2,689.40, 4,034.08 and 1,592.98

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Solution

The fourth proportional to 2,689.40, 4,034.08 and 1,592.98 is: 2,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689.40 : 4,034.08 = 1,592.98 : x
  2. Step 2: Convert to fraction form
    2,689.40/4,034.08 = 1,592.98/x
  3. Step 3: Cross multiply
    2,689.40x = 4,034.08 × 1,592.98
  4. Step 4: Simplify right side
    2,689.40x = 6,426,200.66
  5. Step 5: Solve for x
    x = 6,426,200.66/2,689.40
  6. Step 6: Final answer
    x = 2,389.45

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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.