Home / 1,490.02-2,248.37-1,430.08

Finding the Fourth Proportional to 1,490.02, 2,248.37 and 1,430.08

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Solution

The fourth proportional to 1,490.02, 2,248.37 and 1,430.08 is: 2,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.02 : 2,248.37 = 1,430.08 : x
  2. Step 2: Convert to fraction form
    1,490.02/2,248.37 = 1,430.08/x
  3. Step 3: Cross multiply
    1,490.02x = 2,248.37 × 1,430.08
  4. Step 4: Simplify right side
    1,490.02x = 3,215,348.97
  5. Step 5: Solve for x
    x = 3,215,348.97/1,490.02
  6. Step 6: Final answer
    x = 2,157.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.