Home / 1,699.21-2,346.27-1,140.18

Finding the Fourth Proportional to 1,699.21, 2,346.27 and 1,140.18

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Solution

The fourth proportional to 1,699.21, 2,346.27 and 1,140.18 is: 1,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.21 : 2,346.27 = 1,140.18 : x
  2. Step 2: Convert to fraction form
    1,699.21/2,346.27 = 1,140.18/x
  3. Step 3: Cross multiply
    1,699.21x = 2,346.27 × 1,140.18
  4. Step 4: Simplify right side
    1,699.21x = 2,675,157.05
  5. Step 5: Solve for x
    x = 2,675,157.05/1,699.21
  6. Step 6: Final answer
    x = 1,574.35

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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.