Home / 1,883.21-2,598.10-1,137.40

Finding the Fourth Proportional to 1,883.21, 2,598.10 and 1,137.40

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Solution

The fourth proportional to 1,883.21, 2,598.10 and 1,137.40 is: 1,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.21 : 2,598.10 = 1,137.40 : x
  2. Step 2: Convert to fraction form
    1,883.21/2,598.10 = 1,137.40/x
  3. Step 3: Cross multiply
    1,883.21x = 2,598.10 × 1,137.40
  4. Step 4: Simplify right side
    1,883.21x = 2,955,069.60
  5. Step 5: Solve for x
    x = 2,955,069.60/1,883.21
  6. Step 6: Final answer
    x = 1,569.17

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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.