Home / 2,920.84-4,030.88-1,594.68

Finding the Fourth Proportional to 2,920.84, 4,030.88 and 1,594.68

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Solution

The fourth proportional to 2,920.84, 4,030.88 and 1,594.68 is: 2,200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.84 : 4,030.88 = 1,594.68 : x
  2. Step 2: Convert to fraction form
    2,920.84/4,030.88 = 1,594.68/x
  3. Step 3: Cross multiply
    2,920.84x = 4,030.88 × 1,594.68
  4. Step 4: Simplify right side
    2,920.84x = 6,427,963.72
  5. Step 5: Solve for x
    x = 6,427,963.72/2,920.84
  6. Step 6: Final answer
    x = 2,200.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.