Home / 2,528.79-3,490.05-1,534.01

Finding the Fourth Proportional to 2,528.79, 3,490.05 and 1,534.01

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Solution

The fourth proportional to 2,528.79, 3,490.05 and 1,534.01 is: 2,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.79 : 3,490.05 = 1,534.01 : x
  2. Step 2: Convert to fraction form
    2,528.79/3,490.05 = 1,534.01/x
  3. Step 3: Cross multiply
    2,528.79x = 3,490.05 × 1,534.01
  4. Step 4: Simplify right side
    2,528.79x = 5,353,771.60
  5. Step 5: Solve for x
    x = 5,353,771.60/2,528.79
  6. Step 6: Final answer
    x = 2,117.13

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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.