Home / 1,875.98-2,588.24-1,089.74

Finding the Fourth Proportional to 1,875.98, 2,588.24 and 1,089.74

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Solution

The fourth proportional to 1,875.98, 2,588.24 and 1,089.74 is: 1,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.98 : 2,588.24 = 1,089.74 : x
  2. Step 2: Convert to fraction form
    1,875.98/2,588.24 = 1,089.74/x
  3. Step 3: Cross multiply
    1,875.98x = 2,588.24 × 1,089.74
  4. Step 4: Simplify right side
    1,875.98x = 2,820,508.66
  5. Step 5: Solve for x
    x = 2,820,508.66/1,875.98
  6. Step 6: Final answer
    x = 1,503.49

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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.