Home / 1,506.04-2,259.70-811.87

Finding the Fourth Proportional to 1,506.04, 2,259.70 and 811.87

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Solution

The fourth proportional to 1,506.04, 2,259.70 and 811.87 is: 1,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.04 : 2,259.70 = 811.87 : x
  2. Step 2: Convert to fraction form
    1,506.04/2,259.70 = 811.87/x
  3. Step 3: Cross multiply
    1,506.04x = 2,259.70 × 811.87
  4. Step 4: Simplify right side
    1,506.04x = 1,834,587.67
  5. Step 5: Solve for x
    x = 1,834,587.67/1,506.04
  6. Step 6: Final answer
    x = 1,218.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.