Home / 2,437.77-3,364.16-1,389.81

Finding the Fourth Proportional to 2,437.77, 3,364.16 and 1,389.81

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Solution

The fourth proportional to 2,437.77, 3,364.16 and 1,389.81 is: 1,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.77 : 3,364.16 = 1,389.81 : x
  2. Step 2: Convert to fraction form
    2,437.77/3,364.16 = 1,389.81/x
  3. Step 3: Cross multiply
    2,437.77x = 3,364.16 × 1,389.81
  4. Step 4: Simplify right side
    2,437.77x = 4,675,543.21
  5. Step 5: Solve for x
    x = 4,675,543.21/2,437.77
  6. Step 6: Final answer
    x = 1,917.96

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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.