Home / 1,555.34-2,130.02-1,534.83

Finding the Fourth Proportional to 1,555.34, 2,130.02 and 1,534.83

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Solution

The fourth proportional to 1,555.34, 2,130.02 and 1,534.83 is: 2,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.34 : 2,130.02 = 1,534.83 : x
  2. Step 2: Convert to fraction form
    1,555.34/2,130.02 = 1,534.83/x
  3. Step 3: Cross multiply
    1,555.34x = 2,130.02 × 1,534.83
  4. Step 4: Simplify right side
    1,555.34x = 3,269,210.92
  5. Step 5: Solve for x
    x = 3,269,210.92/1,555.34
  6. Step 6: Final answer
    x = 2,101.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.