Home / 2,130.48-2,941.42-1,459.40

Finding the Fourth Proportional to 2,130.48, 2,941.42 and 1,459.40

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Solution

The fourth proportional to 2,130.48, 2,941.42 and 1,459.40 is: 2,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.48 : 2,941.42 = 1,459.40 : x
  2. Step 2: Convert to fraction form
    2,130.48/2,941.42 = 1,459.40/x
  3. Step 3: Cross multiply
    2,130.48x = 2,941.42 × 1,459.40
  4. Step 4: Simplify right side
    2,130.48x = 4,292,708.35
  5. Step 5: Solve for x
    x = 4,292,708.35/2,130.48
  6. Step 6: Final answer
    x = 2,014.90

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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.