Home / 1,887.10-2,604.23-1,140.96

Finding the Fourth Proportional to 1,887.10, 2,604.23 and 1,140.96

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Solution

The fourth proportional to 1,887.10, 2,604.23 and 1,140.96 is: 1,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.10 : 2,604.23 = 1,140.96 : x
  2. Step 2: Convert to fraction form
    1,887.10/2,604.23 = 1,140.96/x
  3. Step 3: Cross multiply
    1,887.10x = 2,604.23 × 1,140.96
  4. Step 4: Simplify right side
    1,887.10x = 2,971,322.26
  5. Step 5: Solve for x
    x = 2,971,322.26/1,887.10
  6. Step 6: Final answer
    x = 1,574.54

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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.