Home / 2,920.61-4,030.47-1,594.32

Finding the Fourth Proportional to 2,920.61, 4,030.47 and 1,594.32

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Solution

The fourth proportional to 2,920.61, 4,030.47 and 1,594.32 is: 2,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.61 : 4,030.47 = 1,594.32 : x
  2. Step 2: Convert to fraction form
    2,920.61/4,030.47 = 1,594.32/x
  3. Step 3: Cross multiply
    2,920.61x = 4,030.47 × 1,594.32
  4. Step 4: Simplify right side
    2,920.61x = 6,425,858.93
  5. Step 5: Solve for x
    x = 6,425,858.93/2,920.61
  6. Step 6: Final answer
    x = 2,200.18

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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.