Home / 1,810.10-2,495.48-1,438.32

Finding the Fourth Proportional to 1,810.10, 2,495.48 and 1,438.32

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Solution

The fourth proportional to 1,810.10, 2,495.48 and 1,438.32 is: 1,982.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.10 : 2,495.48 = 1,438.32 : x
  2. Step 2: Convert to fraction form
    1,810.10/2,495.48 = 1,438.32/x
  3. Step 3: Cross multiply
    1,810.10x = 2,495.48 × 1,438.32
  4. Step 4: Simplify right side
    1,810.10x = 3,589,298.79
  5. Step 5: Solve for x
    x = 3,589,298.79/1,810.10
  6. Step 6: Final answer
    x = 1,982.93

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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.