Home / 2,560.02-3,531.63-1,663.70

Finding the Fourth Proportional to 2,560.02, 3,531.63 and 1,663.70

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Solution

The fourth proportional to 2,560.02, 3,531.63 and 1,663.70 is: 2,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.02 : 3,531.63 = 1,663.70 : x
  2. Step 2: Convert to fraction form
    2,560.02/3,531.63 = 1,663.70/x
  3. Step 3: Cross multiply
    2,560.02x = 3,531.63 × 1,663.70
  4. Step 4: Simplify right side
    2,560.02x = 5,875,572.83
  5. Step 5: Solve for x
    x = 5,875,572.83/2,560.02
  6. Step 6: Final answer
    x = 2,295.13

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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.