Home / 3,437.50-4,743.74-1,865.60

Finding the Fourth Proportional to 3,437.50, 4,743.74 and 1,865.60

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Solution

The fourth proportional to 3,437.50, 4,743.74 and 1,865.60 is: 2,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.50 : 4,743.74 = 1,865.60 : x
  2. Step 2: Convert to fraction form
    3,437.50/4,743.74 = 1,865.60/x
  3. Step 3: Cross multiply
    3,437.50x = 4,743.74 × 1,865.60
  4. Step 4: Simplify right side
    3,437.50x = 8,849,921.34
  5. Step 5: Solve for x
    x = 8,849,921.34/3,437.50
  6. Step 6: Final answer
    x = 2,574.52

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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.