Home / 1,857.48-2,563.29-1,018.20

Finding the Fourth Proportional to 1,857.48, 2,563.29 and 1,018.20

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Solution

The fourth proportional to 1,857.48, 2,563.29 and 1,018.20 is: 1,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.48 : 2,563.29 = 1,018.20 : x
  2. Step 2: Convert to fraction form
    1,857.48/2,563.29 = 1,018.20/x
  3. Step 3: Cross multiply
    1,857.48x = 2,563.29 × 1,018.20
  4. Step 4: Simplify right side
    1,857.48x = 2,609,941.88
  5. Step 5: Solve for x
    x = 2,609,941.88/1,857.48
  6. Step 6: Final answer
    x = 1,405.10

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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.