Home / 3,437.51-4,743.63-1,865.57

Finding the Fourth Proportional to 3,437.51, 4,743.63 and 1,865.57

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Solution

The fourth proportional to 3,437.51, 4,743.63 and 1,865.57 is: 2,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.51 : 4,743.63 = 1,865.57 : x
  2. Step 2: Convert to fraction form
    3,437.51/4,743.63 = 1,865.57/x
  3. Step 3: Cross multiply
    3,437.51x = 4,743.63 × 1,865.57
  4. Step 4: Simplify right side
    3,437.51x = 8,849,550.10
  5. Step 5: Solve for x
    x = 8,849,550.10/3,437.51
  6. Step 6: Final answer
    x = 2,574.41

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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.