Home / 1,690.16-2,332.53-944.26

Finding the Fourth Proportional to 1,690.16, 2,332.53 and 944.26

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Solution

The fourth proportional to 1,690.16, 2,332.53 and 944.26 is: 1,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.16 : 2,332.53 = 944.26 : x
  2. Step 2: Convert to fraction form
    1,690.16/2,332.53 = 944.26/x
  3. Step 3: Cross multiply
    1,690.16x = 2,332.53 × 944.26
  4. Step 4: Simplify right side
    1,690.16x = 2,202,508.95
  5. Step 5: Solve for x
    x = 2,202,508.95/1,690.16
  6. Step 6: Final answer
    x = 1,303.14

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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.