Home / 3,047.90-4,574.34-1,587.47

Finding the Fourth Proportional to 3,047.90, 4,574.34 and 1,587.47

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Solution

The fourth proportional to 3,047.90, 4,574.34 and 1,587.47 is: 2,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.90 : 4,574.34 = 1,587.47 : x
  2. Step 2: Convert to fraction form
    3,047.90/4,574.34 = 1,587.47/x
  3. Step 3: Cross multiply
    3,047.90x = 4,574.34 × 1,587.47
  4. Step 4: Simplify right side
    3,047.90x = 7,261,604.65
  5. Step 5: Solve for x
    x = 7,261,604.65/3,047.90
  6. Step 6: Final answer
    x = 2,382.50

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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.