Home / 1,529.84-2,283.67-1,415.63

Finding the Fourth Proportional to 1,529.84, 2,283.67 and 1,415.63

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Solution

The fourth proportional to 1,529.84, 2,283.67 and 1,415.63 is: 2,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.84 : 2,283.67 = 1,415.63 : x
  2. Step 2: Convert to fraction form
    1,529.84/2,283.67 = 1,415.63/x
  3. Step 3: Cross multiply
    1,529.84x = 2,283.67 × 1,415.63
  4. Step 4: Simplify right side
    1,529.84x = 3,232,822.41
  5. Step 5: Solve for x
    x = 3,232,822.41/1,529.84
  6. Step 6: Final answer
    x = 2,113.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.