Home / 1,561.02-2,154.06-1,001.46

Finding the Fourth Proportional to 1,561.02, 2,154.06 and 1,001.46

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Solution

The fourth proportional to 1,561.02, 2,154.06 and 1,001.46 is: 1,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561.02 : 2,154.06 = 1,001.46 : x
  2. Step 2: Convert to fraction form
    1,561.02/2,154.06 = 1,001.46/x
  3. Step 3: Cross multiply
    1,561.02x = 2,154.06 × 1,001.46
  4. Step 4: Simplify right side
    1,561.02x = 2,157,204.93
  5. Step 5: Solve for x
    x = 2,157,204.93/1,561.02
  6. Step 6: Final answer
    x = 1,381.92

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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.