Home / 2,869.17-4,269.45-2,859.45

Finding the Fourth Proportional to 2,869.17, 4,269.45 and 2,859.45

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Solution

The fourth proportional to 2,869.17, 4,269.45 and 2,859.45 is: 4,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.17 : 4,269.45 = 2,859.45 : x
  2. Step 2: Convert to fraction form
    2,869.17/4,269.45 = 2,859.45/x
  3. Step 3: Cross multiply
    2,869.17x = 4,269.45 × 2,859.45
  4. Step 4: Simplify right side
    2,869.17x = 12,208,278.80
  5. Step 5: Solve for x
    x = 12,208,278.80/2,869.17
  6. Step 6: Final answer
    x = 4,254.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.