Home / 2,298.39-3,447.59-1,374.21

Finding the Fourth Proportional to 2,298.39, 3,447.59 and 1,374.21

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Solution

The fourth proportional to 2,298.39, 3,447.59 and 1,374.21 is: 2,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.39 : 3,447.59 = 1,374.21 : x
  2. Step 2: Convert to fraction form
    2,298.39/3,447.59 = 1,374.21/x
  3. Step 3: Cross multiply
    2,298.39x = 3,447.59 × 1,374.21
  4. Step 4: Simplify right side
    2,298.39x = 4,737,718.71
  5. Step 5: Solve for x
    x = 4,737,718.71/2,298.39
  6. Step 6: Final answer
    x = 2,061.32

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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.